! " # ! ! ! $ " % & ! " & % ! ' " " ( & $ ! ! ( $ ! )**+ , , ∈ - ∉ " - φ . ! ! ! / 1 = 2! )! 3! 4 " 1 = ∈ 5 < + + ! ⊂ 0 ! ∈ . ! ∈ . 0 ∪ ! ! ∈ = 5 ∈ ∪ ! = 5 ∈ ∩ ∪ / = )! 4! 6! 7! 2*! 2)! = )! 3! 4! 6! 7! 8! 2*! 2)! 2+ ∩ ∩ =φ ! ∩ ! ∈ = 3! 6! 8! 2)! 2+! = 6! 2) $ 9 = 5 ∈ ⊂ = ∈ 5 ∉ ∉ 0 9 = )! 4! 7! 2* / . 0 = ! 5 ∈ ! ∈ × ! ! × / / = 2! )! 3 = ! ! = 2! ! 2! ! )! ! )! ! 3! ! 3! . × ! ! ∈ ! - $ 0 !∀ ∈ ⇒ 0 0 0 - ⇒ $ $ ! π / 0 0 0 $ ( ! $ !∀ ∈ 0 π π ⇒ ! !⇒ 0 = ! ! / " $ ! . × = ! ∈ × . ! ! ∈ ! 0 . → = ! ! ! ! = 2! )! 3 0 = ! 2! ! )! ! 3! ! )! ! 3 / . - → 0 0 → = ⇒ 0 → - = = - $ $ $ / , : , ∘ 0 0 → → ! 0 → ! ∘ = ! ∀ ∈ ! . ∗ ∈ ! ! × ! 1 ∗$ 0 ∗ ∗ = ∗ ∗ 0 ∗ = ∗ !∀ ! 0 ∃ 0 0 ! ∀ ! ! ∈ ∈ ∈ 5 ∗ = !∀ ∈ ∀ ∈ ! ∃ −2 5 ∗ −2 = ∗! ! ∗ $ ! # ; ∗ × # $ $ ( $ < × ∗! × ∗ = × ∗ × $ × ! × ' = ! −)! −2! *! 2! )! 1 ∗ " 0 +! # ! ∗! × ×<! × ! × ' 0 +! " " 0 ≠* ! ! = * 327 27 > )) ! +! × $ $ ! ! $ " = * 3>+! $ ! × ! ∗! × ×! ∗ $ ! ! +! × 3 7 ×! 0 ×! $ 1 = . ∗ " ! +! × $ 1 0 ×! $ ! +! × ∗ ∗ ! × ! ∗! × $ ! $ ! % ! ∗ ; ( $ " 0 ×! $ % ! ∗ $ ! ! 0 +! ! 0 +! $ ! ×! ∗ $ ! ∗ $ ' = 2! )! 3! 1 ×! $ % ! ∗ 0 " ! ) = 2 424 )23+6) " ' 0 π = 3 242 +8)6+>+ ! ! " ! " × " × " ! = 2≤ ≤ = ! 2≤ ≤ ⋅⋅ 22 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ 2 - × ⋅ ! 0 2 ) ⋅⋅ ⋅ " " ! × !θ " " × ! = ⇔ = !∀! ′ ! −3 + 1= /. ′ 3 ×) ) 2 −4 * −3 ) −4 = + 2 32 = )×3 * 23 ∈ ! = = + = 0 + + = ! 0 ∃θ × 5 ! 0∀ = + − = θ × 0 + = + + . $ + + ! ∀ ! ! ∈ × +θ × = ! ∀ ∈ × ∈ = − 5 × ! ∃− ∀λ ∈ ! ∀ = ∈ $ λ + = λ + λ λ + μ = λ + μ λ μ = λμ 2 = ! ∀λ! μ ∈ ∀ ! " ! λ = λ !∀ ! × 0 ∈ ∈ = ′ −4 = −4 = ! × 0 × 0 × / + = − = ' * −4 −4 6 6 * 4 −4 0) = = = ∀ ∈ 2 2 × ⇒ = × ) ) + ! ∈ × ∈ ! + × ! ∈ 6 ⇒ 4 6 −6 −4 = + * −4 −4 2 ) × !⇒ 6 = * −) * −4 * 6 ) 0 * −) −) = ) −) 3 3 * ) 3 −3 −) = ∈ = ! 0 2≤ ≤ ! 2≤ 0 * * −) 6 ! ) = $ ) −4 × ! = ∈ ≤ × × = × × ! × ∀ ∈ × ∈ ! × ∈ ! × 0 !⇒ × ! 2 −2 = / −3 × + = = θ! ) + −2 * + × 2 −) 3 = * −) 2 × 6 −3 3 + * −2 × ∈ ! ) ∈ 3×4 ! ∈ 4×) ! 1×? = 2 2 + −2 −3 + ) + + 3 −2 2 −) + −2 3 + ) * + 3 ) * 2 + + −3 + −2 + + 6 −2 * −) + + 3 + −2 * + 6 ) 0 3×) = −3 2 + 2 −3 + * + + −) −2 −3 −) + 2 3 + * * + −) ) 22 2 −4 × + −)6 )> ' 2 / + ′ = ) / ′ = ′ ′ ′ + $ ′ 0 # ! ! =− ! ! ∀! - = ! = ∀! !; ′ <! ! " ! " 2! ( - −2 ∈ ∈ ! > 2! ∈ $ / = ! * ) = ! * 3 4 ) −2 $ = −2 ! 2 −) * −) −2 3 = ! # ! = * −3 2 3 * + −2 −+ * # . = 2 * * 4 −2 * 6 −3 2 $ $ = = ! - −2 ) = −2 ) = −2 . ) −3 = $ ) 2 3 ) −2 ) . 2! )! ! $ ( " @ " $ /. 2! )! 3 0 2! )! 3! 2! 3! )! )! 2! 3! )! 3! 2! 3! 2! ) 3! )! 2 " 3@ = 3 ⋅ ) ⋅ 2 = 6 )! 3! 2 ) )! 2! 3 $ / 6 $ $ $ $ 2 3 4! +! " " + ! * $ 2 $ 2 $ 2 $ $ ∈ 6! 2! 3! 4! +! ) " $ $ 2 % 07 " + ! ! = − " $ A A ! * 4 * * * A A= / * * * ) * * * 3 * * * * * * 2 + * * * * 0 2) )4 33 4+ +2 = 4 ⋅ ) ⋅ 3 ⋅ 2 ⋅ + = 2)* 0)! 4! 3! +! 2 +! " . A A = −2)* ! )! 2 22 )) 2 ' 22 )) 22 2) )2 )) ! 2) )2 $ ! 2) )2 $ ' 2! ) *! 0 ) −3 / + 4 22 2) )2 )) = ! ' 22 )) 33 22 2) 23 )2 )) )3 32 3) 33 )! 2! 3 2) )2 33 )! 3! 2 2) )3 32 3! 2! ) 23 )2 3) 3! )! 2 23 )) 32 0 22 )) 33 + 22 2) 23 )2 )) )3 32 3) 33 2) )3 32 + 2 + * 2 2 ) ) 3 + − − + + − = 23 )2 3) 3 −2 / 2! )! 3 B 2! 3! ) 22 )3 3) −− 22 )3 3) * * −) 4 −3 $ 0 3 ⋅ * ⋅ −3 + −2 ⋅ −) ⋅ + + * ⋅ 2 ⋅ 4 − −3 ⋅ −) ⋅ 4 − −2 ⋅ 2−3 − * ⋅ * ⋅ + = 32 $ 2) )2 0 ' = − = ) ⋅ 4 − −3 ⋅ + = )3 A A= ' 22 )) − 2) )2 33 − 23 )) 32 %/ &/ " ; ! λ∈ ∈ = 3⋅ 2 −2 4 ) −2 * −3 2 2 −2 4 0 λ ⋅ ≠ λ ) −2 * −3 2 = / 3 ! A A = A ′A < % " ! 0 * 3⋅2 = * −3 3⋅4 3 ⋅ ) −2 * = 3 ⋅ 2> = +2 2 −2 * 0 3 = ) = ) = 4+8 3 −3 2) 6 −3 ∈ / 1 * −8 3 * = 2* 4 ) ) ) = 26* 4 '/ 0 ! $ (/ ! % $ 2 ) + + −2 / )/ ! / / > 2−3 3 8 3 + * −) $ 3 + ) 4 = = 2 ) −2 > 2 3 8 3 −) = )! 0 ! + 3 4 ) + 2 + −2 > −3 8 3 * −) = −) =+ 3 3 = 3 3 = 23+ ′ ' = % ! ′ )C 3C ' 0 = −+ */ " +/ ! $ $ ,/ $ " ;D < -/ %. / 0 A = A AA A A 2 −2 / ) * −3 ) 2 −3 8 ! 0 2 −2 ) = * −3 ) 2 −3 8 2 −2 −3 2 + ) 2 −3 + + + 2 2 2 2 −2 = * −3 ) → ) 8 + + + 2 2 2 = + + 2 + + 2 + + 2 ) ) * −3 * * / 0 ! = * =* + 2 2 2 + =* 2 2 2 2 −2 ) = −) = * −2 ) ) )→ * ) 4 * −2 ) * ⋅ = ⋅ A A = A AA A = −2 ! ' ) = 4 * = 2 ⋅ −2 ⋅ 7 = −7 * 7 ) −2 −) 2 −2 ) ∈ / 2 −) 4 ) 2→ 4 * 2 −2 ) ' = − 2→ 2 −) 4 / 2 −2 ) =− ! A A≠* ! 0 −2 A A≠* A A ) = −2! ' 0 / ∈ . α −2 + . . %% / %& / . = / 2) =2 α 2) = −2 2 ) −) * 3 −3 2 ) −) 3 =+ −3 ) 2) . 0 = 0 2) = −2 3 α 2) = −+ −3 −+ −) * 4 −) 3 −2 2C ) $ 0 A A = −2 ⋅ −3 + 2 ⋅ −+ + ) ⋅ −) = − 6 )C 0 A A = −) ⋅ * + * ⋅ 4 + 3 ⋅ −) = −6 3C 0 A A = ) ⋅ −) + 3 ⋅ −) + ) ⋅ ) = − 6 2C −2 ⋅ 3 + 2 ⋅ −2 + ) ⋅ ) = * # . ; = −2 = A A≠* < ⋅ ⋅⋅ 22 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ 2 ⋅ ' $ 2 A A ⋅ = −3 −+ $ ′ ⋅⋅ )2 2) ⋅ )) ⋅ ⋅⋅ 2 ) ⋅⋅ ⋅⋅ = −2 ! 2 A A A A 2 ⋅ = ) * ⋅⋅ * A A ⋅⋅ * * ⋅ ⋅ ⋅⋅ * * ⋅ ⋅⋅ A A ′ −2 2 ) −) * 3 −3 2 ) ! −3 −+ −) = 4 −) * 3 −2 2 ) * 3 4 −2 −) −) 0 22 ! ′ 0 E $ 0 ⋅ ) = ⋅ A A = A2A ′ 2 ⋅⋅ / 2 −6 *0 2 1 = 3C ∈ −2 −2 $ " −2 ⋅ $ = ! A A = −6! ) * − 2) + 6 − )3 2 6 2 3 2 3 − 23 ) ! 0 −2 ! * − 2) 2 ) −2 2 ) ⋅ −) * 3 −3 2 ) + 6 − ) 3 2 3 2 * * = 2 6 * 2 * * * 2 − 23 2 3 . $ − −2 −2 = − −2 = −2 −2 − λ −2 = λ2 −2 ; λ ≠ *< − ′ −2 = −2 ′ 0 - $ = /. ′ * −2 = 2 $ ! −2 * # * * −2 ⋅ * 2 0 * 2 −2 * 2 = * 2 * * 2 " ∈ × −2 ( ! 1 ( # ( " !! 0 / / /F F ! " " 2 3 = / −+ ) −3 > 6 −4 )0 2 + −+ −3 ! ;2 + −2 ) 3 −2 6 2 * 4 ! ;2 4 3 3 ) <! 4 <! G 27 ) + −2 3 ) −3 30 G 4 6 −4 2 3 −2 −+ ) * ! 4 * ! > 6 4 3 ! " " # " !$ ! # −2 −) = / 2 ) 3 2 −2 2→ 2 −2 2 ) 2→ 2 −) * −) −2 6 → * ) −> − 3→ * 3 . * ) −> ) * → * → ) ) 2 −4 3 * * −3 −2 −) 3 2 −) * −2 ) 2 −2 * 6 2 * −2 ) 2 −2 ) )→ 3 −2 −) 3 2 −) → * −2 −) 3 2 −) 2 6 −4 −2 ) −) 2 → 3 2 −) 6 −4 −2 −) −2 −2 −) ! * −2 ) 2 −2 → * 6 3 −6 * 6 3 −6 * * 6 3 −6 * * * * * ! =3 . ( 0 22 2 + )2 2 + 2 2 + 2) ) )) ) +⋅⋅+ +⋅⋅+ 2 ) = = 2 ) ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ ) ) - +⋅⋅+ = " % $ - ! " ! ;D < 0 ⋅⋅ 22 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ 2 ⋅⋅ 2 2 ) ) ⋅ 2 = ⋅ %= ) ⋅ ! = ! % # & " # 0 A = ⋅⋅ 22 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ 2 2 ) ) ⋅⋅ ⋅ 3 − ) + 6$ + ) = 2 + − )$ − 3 / ) − 3$ + ) = ⋅ 2 > = −3 0 3 −) 6 ) 2 2 −) −3 * ) ) −3 = $ 3 −) . 2 * - ! 2 > −3 6 ) 2 −) −3 2 > ) −3 ) −3 ! = 2! = )! $ = 2! = −) 2 $ A A≠* = ) 2 −) " ! ⋅⋅ 22 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ 2 ⋅⋅ 2 2 ) ) ⋅ 2 = ⋅ ) ⋅ 0 ! 2) ) )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ = 2 ⋅⋅ A A = 2 ) )2 ) ⋅⋅ )2 )) ⋅⋅ ) ⋅⋅ 2 22 ⋅ ! 2) ⋅ 2 ⋅ 22 ⋅ ) = ⋅⋅ 2 ⋅⋅ ⋅ ) ⋅⋅ ⋅ ⋅⋅ 2 ! ⋅ ⋅! A A 2 ) ⋅⋅ ⋅ A A −2 $ ⋅⋅ 2 $ ! ( 0% = /= −2 % −2 −) $ −) 2 2 +4 2 ) ) ! A A ≠ *! %= ! ( + − − = * 3 = −+ 3 = 6 3 2 −) % −) ! * −2 4 −2 2 . * −) −+ 2 6 = 3 H * −2 4 −2 * = 2 6 = 2! * 2 ) = 2 6 −2 ) = )! * −+ 4 =3 ) # 2 −) −+ −2 ) −) 0 2 2 −) 2 $ 0% = −2 0 = ) ≠ *! −2 4 = ) 2 − 3) − 3) 2 ⋅ −2 − 2) −) 2 −2 − 2) −4 −3 2 −4 −3 3 ) = −7 −6 −4 = ) ) −3 −) −2 2 ) 2 ) ! 0 −) * 2 = −+ ) 6 3 0 %= 0 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ 2 A = ⋅⋅ 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ ⋅⋅ ( ! 2 2 ) ) ⋅ ⋅⋅ 22 2 I ⋅⋅ 22 = ⋅ 2 2 ) ) ⋅ ⋅ ( " ! ) ⋅ 2! " ( = 2 ' −! & " ! < ! ! ! ! ; $ ! < ! < " )! ! " ! % ! −! ! = ! 0 0 0. " ! " ! " ! ! 0 %= ! =! A = ! ! < ! A ! = ! < ! / ) − +)$ = 6 − +$ = + −3$ +) − 3 . = −> +) = 4 0 2 −2 A = * ) * 2 −3 ) −> 2 * + * ) 4 ) −2 3 −2 2 −2 −) 2 −3 2 * → ) * 2 * + * ) 4 2 −2 − 3 → ) * 2 −3 * * * * H % * ) * −) → − ) −) ) * → → −> → * * A ) * * 6 2 −3 ) −> ) −6 ) −24 2 −3 * * 2 −2 6 * −) ! # 2 −2 6 −> 3 −2 → 0 2 −3 ) ) −2 → 6 ) * * 2 −3 * * * −) * * * −> 6 −> ) * * * ! ! % 1 ! " ! ! $ !# ! %= ! ! ! ! / % $ % !$ % 0 2 −2 ) * 2 −3 * * * * $ * ) * −) * * 0 6 −> * * A ! +)$ − −3$ +) 6 = −> = * $ = λ! −) =* = −> + 3λ! = % = −2 + λ . −2 + λ! −> + 3λ! λ! * # ! 1 $ " ! 2 2; # ;2!2< ! % < 1 2! % 2 ! ) $ % $ $ % ) /= $ ! # ! 0 + + )$ = 8 ) + 4 − 3$ = 2 3 + 6 − +$ = * 2 2 . ) 8 ) 4 −3 2 0 1 3 6 −+ * J 0 2 2 ) 8 * * −2 −3 * ) −> −2> ' $ 0 + + )$ = 8 ) − >$ = −2> 0 $ = 3! = )! = 2 . # /= −$ = −3 # 1 $ ! # J ! 0 −) ) +$ −) −3$ +) −+ +3$ −) +)$ +4 A ! 1 0 + − 3 − − 2 ) × ) −) * −2 2 − 2) 2 → 2 −) 2 2 * A = − 3) 2 → 3 −2 −3 ) −6 2 ) 2 → 4 −2 3 −) 3 −2 * ) * −+ −2 × → 2 −2 * − 2) 2 ) * −2 2 3 ) − 2) ) −3 > ) − 2+) − 2) ) ) → * − ) → * −2 ) > ) −+ ) → * −+ 3 −) 3 → = 2 = * = −7 = −2 = 3 → 2 −2 → −) * − 2) 2 ) * 2 −2 − 3) 2 ) −2 × * * −2 23 ) − 2>) 3 → * * 3 → * * −) − 28) 2 −2 → 4+ 2> ) * 22 ) * − 2) 2 ) * 2 −2 − 3) 2 ) * * 2 − 23 ) 2> ) ) 2> × * * * 2> ) − 2>) 4 → * * * − 4+ ) 4+ ) 2 −2 → 2 * − 2) 2 ) * 2 −2 − 3) 2 ) * * 2 − 23 ) 2> ) * * * 2 −2 * * * * * G 0 → → $ − 2) = 2 ) − 3) = 2 ) $ − 23 ) = 2> ) − −$ = −2 = 2! = 2! $ = )! = −2 - $ 0 # % 25) 4 35) 4 235) 4 3 → → 0 2 −2 → → * 2 −2 * * 2 −235) * * * 2 −2 2 −2 * * * 2 * * * * 2 2 * * * 2 * 2 * * 2 * * 2 * ) 25) −35) 2>5) −2 * −2 ) → 25) 2 * * * * * * 2 −25) * ) → → −2 2 −2 * * * * 2 * * 2 * * 2 * ) * * * 2 −2 = D $ 0 = $ = 2 2 ) = −2 # 1 = ⋅⋅ 22 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ 2 ⋅ ⋅⋅ 2 ) ⋅ ! −2 → −2 = 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ 2 ⋅⋅ 22 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ 2 ! ⋅⋅ 22 ⋅ ⋅⋅ 2 −2 ) ⋅⋅ ⋅ ⋅⋅ 2 22 2) ) )2 )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ ⋅ 2 = ! 0 2 * ⋅⋅ * 2 ⋅⋅ * 2 ⋅⋅ * = ) ⋅ ⋅ ⋅ ⋅⋅ ⋅ * * ⋅⋅ 2 # . 0 2) )2 )) ⋅⋅ ) ⋅⋅ ⋅ ⋅ 2 - ⋅⋅ 22 ⋅⋅ $ * 2 ⋅⋅ * ) ⋅ ⋅ ⋅ ⋅⋅ ⋅ * * ⋅⋅ 2 # 2 * ⋅⋅ * * 2 ⋅⋅ * ⋅ ⋅ ⋅⋅ ⋅ * * ⋅⋅ 2 / = 2 * ⋅⋅ * 2 ! # J 0 ⋅⋅ 22 2) )2 )) ⋅⋅ 2 ) ⋅⋅ J ! ⋅ ⋅ 2 ) ⋅⋅ ⋅ $ 2 2 −2 ) 2 −) * ) −3 2 2 −2 ) 2 −) 0 * ) −3 2 * * * 2 * * * 2 $ 2 * * 2 3 * 2 * ) * * 2 4 3 0 ! 2 3 −2 − )3 − 23 * − 23 ' −2 = 2 3 ) 4 3 0 2 3 −2 − )3 − 23 * − 23 - # 0 $ 0 22 2 + 2) ) )2 2 + 2 2 + )) ) +⋅⋅+ =* 2 +⋅⋅+ =* ) ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ *! *! ! * ! = ! % ) ) +⋅⋅+ # =* ! ! ! $ ) ! ! < ! = * −) /= " $ " +3 −>$ = * +>$ = * −8 0 −) → 2 − 2 −) ) → 2 * → 3 −> 2 −8 > $ )! ' 2 −) × 2 > * −> 2 −2 * * * −$ = * 0 )λ! λ! λ / 2 F ! * = * $ = λ! # > * $ −) G 2 −) → > −> * → ) * /K . ( $ ( $ ! ! ( % ! ! ;' % ! ! ! ( ( < ! ! 0 22 2 + )2 2 + 2 2 + 2) ) +⋅⋅+ )) ) +⋅⋅+ ) ) +⋅⋅+ + 2 + ) 2 ) = = 2 ) ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ ' + = $ ) 2 ! ! )) ) )2 2 ! ; !; )) =* <! ! / ) $ ! ( ) ! = 0 2 − 22 2 − )2 2 − 2 2 − + 2 − −⋅⋅− 2) ) )) ) −⋅⋅− = 2 = ) 2 ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ − ) ) − ⋅ ⋅ +2 − ) = 0 2− − − ⋅ 22 − )2 2− 2 − ⋅ 2) " = & −2 ⋅ " − )) ⋅⋅ ) ⋅⋅ 2− ⋅⋅ − ⋅ 2 2 ) ) ⋅ 2 = / ! 0 2) 23 )2 )) )3 32 3) 33 *2 *3 *) = *4 *) *2 *) *3 *) 2 = 27*! ) = 8+! 3 = 2+* 0 * 8 −* 3 −* ) −* 4 2 ) 3 = 2 * 7 −* 2 −* ) −* > = 2 = ) *7 ) 3 * 8 −* 3 −* ) −* 4 ⋅ &⋅ ( 22 ) − ⋅ = &= − ! ; & < . ⋅⋅ −2 2 * 7 −* 2 −* ) −* > *7 2 >64> 2 2>6+ * +77)4 27* 2 *+)6 ) 2*+3 * +)63) 8+ 2 36)) ) 236) 2+* 2 7+>6 = ) = +2> 6+ 467 4) >)6 >7 = ! ! " ! # 0 / ' −1 −L −L − $ $ ! $ $ 0 + ( + ) = + ( + ) ∀ ! (! ) ∈ ' 0 ∃θ ∈ ' 5 + θ = ! ∀ ∈ ' 0 ∀ ∈ '! ∃ − ∈ ' 5 + − = θ $ 0 + ( = ( + ! ∀ !( ∈ ' 0 − λ + ( − ;λ + μ − ;λμ = −2 = ! # λ! ∈ ×' − $ ( − # 0 ( λ ∈ '! $ = λ + λ(! ∀λ ∈ ! ∀ ! ( ∈ ' = λ + μ ! ∀λ! μ ∈ ! ∀ ∈ ' λμ ! ∀λ! μ ∈ ! ∀ ∈ ' ∀ ∈' ! ' / ! " $ ( ! " ! 0 × ! " * " ≤ ! − / " ! 2 ! ) ! ! ! 2 ! ) ! ! + 2 ! ) ! ! = 2 + 2 ! ) + ) ! ! + ! ( 0 λ 2 ! ) ! ! = λ 2 ! λ ) ! ! λ ! ∀λ ∈ ! ∀ 2 ! ) ! ! ∈ 0 / $ ( α2! α)! α ( = α2 2 + α) " . $ ) + +α ( 2! ( ( )! ( 0 0 ( = ∑α ( =2 3 $ $ ! 2! )! * $ −2! *! )! −2! )! 2 2! 3! −) 2! )! * = 3 −2! *! ) + −) −2! )! 2 + ) 2! 3! −) / /- $ ; < ( /- $ ; ( $ /H /- $ $ θ < ! ;θ = * ! ∀ ∈ ' 0 . 0 α 2 2 + α ) ) + ⋅ ⋅ +α α 2 = *! α ) = *! ⋅ ⋅! α = * " * 2 ) /. * +β −) * 2 0 2 −2 * * +λ 2 ) β + )λ α − β )α + λ = −)α + λ β − λ α + )β $ ' * 2 = +λ = * −λ = * β = * ! * * * 0 ! )! * * * +λ = * # 2! ( 0 = * −β α +)β $ H β +)λ = * −)α 3 * 2 2 −2 * ! * * * )α - 0 ) 2 −2 * * * * α % α = *! β = *! λ = *! ) ! 2 ) 3×) * 2 ) )! 2 −2 * ! −) * 2 $ α =θ 2! " ' $ - " $ / ) $ ! )! *! *! −) / 1$ 2 + ) − ) ! 3 + + F + ) ! )! *! *! −)! 4! * ! ∈ )! 0 ! = ) )! * + − ) *! −) + * 4! * ) ! 0 ! + + 4 − ! −) + ) − ) ) *) ) + + % ( 0 = 2 2 + ) − ) + ) 3 + ) + 3 + + 4 − ) + 0 2 +3 ) ++ 3 −) 4 = ) ! ) ) − 2 2 +4 + 3 ) +) − 3 4 = −) 4 = 4 −) + ) − ) ) . 2 3 + −) ) * 4 ) ) −2 2 −2 −) 3! *) ' - $ " $ ! ' ) $ ! * ! $ - ! $ ! & $ 3 / ! $ " = 2! *! *! " ′ = 2! *! *! *! 2! *! " ′′ = 2! *! *! *! 2! *! *! *! 2 ! ′′ $ " $ " " ? ( ( ! ! ( = 2! )! ! ' " " α 2 ! α ) ! ! α . . $ '! ∈' = α 2 2 + α ) ) + ⋅ ⋅ +α $ " ! ( ! ! < ! ( !! 2 * 2 2 2 * = −)! ! 2 * 2 * 2 2 . " ! = ! ! =3 * 2 2 3 $ $ $ ! !# 0 = 2! 2! *! 2! *! 2! *! 2! 2 $ = 2! )! 3 /' 3 G 2 2 * 2! )! 3 0 3 3! 2! )! 3 = α2! 2! * + β2! *! 2 + λ*! 2! 2 $ ! ( $ 2! *! ! *! *! 2! ! *! ! *! *! ! 2 . " !$ ! + ! ! !# ! = ! ! $ 1 " ' ( ! & ( 2 = α +β ) = α 3 = α = *! β = 2! λ = )! 2 + + /1$ . ) 0 ) + *) + − 2 = *! =* − + + β +λ ! − 2 2 + + $ = ) =* ' ( + G =* $ + 2 ) F 0 +λ =* ! ! 0 ) = 2 2 + + ) + 2 2 2 − + = ) − 2 = ) = ) ) * ) ! $ + + ' ) *) 2 + + ) = *! = ) ' 2! ! /1$ . 3! = =* + + ) ( ) = 2 + + λ /G 0 *) λ! − 2) ! − 2) M − 2) ! − 2) ! λM − 2) ! − 2) ! λ $ 3 L H 0 λ! − 2) ! − 2) + − 2) ! − 2) ! λ + − 2) ! − 2) ! λ = *! *! * 0 λ − 2) − 2) = * − 2) − 2) . 0 + λ− − 2 ) 2 ) =* + λ=* λ − 2) − 2) λ − 2) − 2) E λ ≠ − 2) ' 1 - − 2) λ 0 λ 3 − 34 λ − 24 = 24 λ − 22 + )λ ) λ = − 2) λ = 2! ! $ λ ≠ 2! 3! = = =* 3 = 3! $ " # − 2) $ " = 2! )! " ' " ' ( ! " ∀ !( ∈ " ∀ ! ∈ ! θ % ' $ , ! $ ( " ≤ '! ' $ .〈 〉 = ∈ '5 = α 2 . = α2 $ 2 2 + α) + α) ) ) ' ! ' + (∈" 0 . ∈ 0 '! + ⋅ ⋅ +α + ⋅ ⋅ +α $ α ∈ ! ! " "′ $ '! # " ∩ " ′ = ∈ '5 ∈ " ∈ "′ " + " ′ = ∈ '5 = ( + ( ′ ! ( ∈ " ( ∈ "′ ′ " " $ '! $ 0 ; + ′ <= ; <+ ; ′ </ ' = ! ! $! ∈ / 4 % ' 0 4 ! ! $! 0 ! ; ∩ ′< 5 = ) ! = + $! # ′! ′! $′! ′ ' ! ∈ ! ! $! + ′ ! ′ ! $ ′ ! ′ ∈ '! ! ! $! + ′ ! ′ ! $ ′ ! ′ = = + ′! + ′! $ + $′! + ′ + ′ = ) + ) ′ = ) + ′ + ′ = + $ + ′ + $ ′ = + ′ + $ + $ ′ . ' 0 = ) ! = +$ = $ 0 = −α + β! = −)α + )β! $ = α! = β! # ' E −2! −)! 2! * 2! )! *! 2 ' ' ! 0 −α + β = −)α + )β = α=$ β= −2 2 % −) ) $ −2 2 $ *) 2 * * 2 2 * * 2 )! −) ) = +$− = * $ 0 = + $! = ) ! ' "= + /1$ = + + α + β = α + ) + % 2 * * 2 0 = + )$ − ) = * ! $ ! = * ) = ′+ ′ + ′ + ) + β ′ + ′ + ) ′ ) " α! β ∈ ! ∈ "! α +β ′ 0 =* " = ! ! $ ∈ 3 = * 3 " $ ! 0 ′ ′ ′ ∀*! ! ! *! ! ∈ " ∀λ! λ ∈ 0 λ*! ! + λ ′ *! ′ ! ′ = *! λ + λ ′ ′ ! λ + λ ′ ′ ∈ " = *! # 0 = *! = α! $ = β *! 2! *! *! *! 2 " ' ! " . " = ) 3 =.< > 0 = 2! −2! )! )! *! 4 $ ! =) . $ ! ! $ $ ! / 2 ) −2 * $ ' $=) = ! ! $ ∈ "∩ 3 = −4 + )$ = * ) 4 ! 5$ = ) $ 0 " ∩ = ! ! $ ∈ = $ 0 3 5 =* $ = ) = *! ! *! ∀ ∈ ! ! = *! $=) ! = *! = α! $ = *! 0 "+ $ ) ) = + (! ∈" (∈ *! 2! *! *! *! 2 2! −2! )! )! *! 4 ! *! 2! *! *! *! 2! 2! −2! )! )! *! 4 "+ * * * 2 ∈' $ ′ )! ! ′2 ! = $ ′ )! 3! "+ = 3 " + − = ′2 ! ′ ! 2 2 ′ "! ) 4 " + = 3! " + = = 2! ( 2 ) 2 * −2 * E + ′ ! ′ )! ! ) ) " ∩ = ) + ) − 2 = 3 ′ 0 +⋅⋅+ 2! = + ′ ′ 2 2 )! ′ ′ ) ) ( $ ! ! +⋅⋅+ ′ ' ′ 0 ′ 2 ⋅ ′ ) ′ = α 22 + α )2 2 = α 2) ⋅ = α2 2 + α )) 2 + α) ) ⋅ + ⋅ ⋅ +α ) + ⋅ ⋅ +α ) + ⋅ ⋅ +α ⋅ ⋅ 2 ) ⋅ 0 = ′2 ′2 + ′) ′) + ⋅ ⋅ + ′ ′ = ′2 α 22 2 + α )2 ) + ⋅ ⋅ +α 2 + + ′) α 2) 2 + α )) ) + ⋅ ⋅ +α ) +⋅ ⋅ + ′ α 2 2 + α ) ) + ⋅ ⋅ +α = α 22 ′2 + α 2) ′) + ⋅ ⋅ +α 2 ′ 2 + ⋅ ⋅ ⋅ +α 2 ′2 + α ) ′) + ⋅ ⋅ +α . = ′ ! α 22 α 2) 2 ) ̇ = α2 α )2 α )) α ̇ !$ ! *! 2! * "∩ α 2 ̇ ̇̇ ) ! ′ !$ ′ 2 α) α ′ ′ ) ̇ ̇ ′ ( !* 0 ! ′ ! ′ ! 0 =* / = 2! *! *! 2 ′ = −2! *! 2! −2 G = )! 2 ) )! 3 ′ ′ ) ! ) ′ ′ #$ ( = )! 2! ) 2 0 = ) 2 L ′ ′ . −2 = ) 2 * −2 ′ 2 ' ′ ) −2 −2 = * L ⋅ −2 % 2 #$ $ ′ ( = ) ⋅ 2 ′ ′ 2 ′ ) = − 28 4! ) + 2* = 3 = $ ′ + −) ) 2 8 + >! 2 = +! −) = )! 2! 3! 4 ′ 4 > ) 2 ′ ) ′ $ 0 ′ ) ) 2 −2 ′ ′ 2 4 > 4 > −3 ) ′2 ! = 2 = 4! )! >! 2 0* ! ( ) ! −) ′ . 3 * −2 + / 2 )! 3 ′ E = ⋅ . ' ) −2 / = 2! *! *! 2 ( = +! −) !% ( = +! −) ! −2 −2 ( = * −2 ) ′ ′ 2 −3 ( ( 0 0 2 = $ ( = * −2 * −2 ) ! ′ ) = ′ ′ ) −2 = = ′ 2 ⋅ 2 ′ 2 0 * ′ = − 28 2* 8 + = 2! 2! −2! ) ) ′ G G ′ % $ 0 ) +3 = 2 2! 2 = )! 2 + 3! 4M = . 2 + ! = +4 = 2 2 + ) + 3 = −2 −2! ) = )! 2 + 3! 4M = . 3 + +4 = 2 ! =− ' > + 0* ∈ = * −2 * ! ;D E # 0 ' = ′ 2 + 3 + 2 + − >+ *∈ ( = * * −2 A A = A* −2 *A = A* −2 AA AA*A = 2 A*A A AA*A = A A! ! $ 22 2) 2 22 2) 2 )2 )) ) )2 )) ) ̇ ̇ ̇ ̇ ̇ 2 = ̇̇ ) ) * 2) 2 λ2 )2 )) ) * ̇ ̇ 2 ̇̇ ̇ ̇ * ) $ ̇̇ 2 22 0 G ( *=* ! " * −2 * = λ) ̇ * ̇ * * ̇̇ ̇ λ = * 0 22 2) 2 22 )2 )) ) )2 ̇ ̇ ̇ ̇ 2 ̇̇ ) ( 2) 2 2 )2 )) ) ) ̇ ̇ ̇ ̇ 1 $ ̇̇ λ∈ 2! 3 $ 22 −λ )2 ̇ )) ( =λ ( ! −λ ' ̇̇ ) −λ % ! *λ! % α ( $ λ λ = −) −) $ = −) −6 ( = λ( 2 2 ) ) ̇ −λ ̇ *! *! ! * A −λ A ( !$ 0 = 3 ̇ 2 λ ! λ = −)! 2) ̇ $ ) * 0 − λ ( = θ! ! ! λ $ 2 −3 −2 . $ λ = 2 $ −3 −2 $ 2 −2 $ λ " λ 2 −2 = ( (2 = λ2(2! 2 ( = λ( / I ̇ ! ! ( ! )2 ⋅ ) ( = λ( 22 ⋅ ⋅ 22 /# ( ≠ *! *! ! * λ2 ⋅ ⋅ (∈ λ2 = 2 ⋅ 2 λ2 *λ ! 2 3 % # 0 * = * ̇ * ! A −λ A = * *λ = *! $ λ λ λ − λ α . % /G A −λ A = = $ * 2 * * * 2 4 −2> 7 0 −λ 2 * −λ * = 7λ ) − λ 3 − 2>λ + 4 2 4 −2> 7 − λ ! λ = 4! λ = ) + 3 ! λ = ) − 3 ! /G * * ) * 2 * 2 * * * * 2 * 2 −) * 0 −λ A −λ A = = $ $ * 2 −λ * 2 ) * 2 * −) − λ * = − 3λ ) + λ 3 + λ 4 − λ + ) * * * 2−λ !λ = −)! λ = −2! λ = 2 ! - $ − λ ( = * ' $ $ !% ! $ $ / $ $ = . 1 = 2 −2 ) − λ 0 * $ $ $ "λ0 ! 2−λ % ' $ E $ −) 2 2 2 −) −2 ) 2 * 2 −2 = −λ − 2λ + 2λ − ) 2 −2 − λ λ = 2! λ = −2! λ = ) λ = 2! "20 0 − 2λ( = * λ ( − λ A A = *! λ λ * 2 −) −2 2 * 2 −) H = ⋅ 2 * * $ 0 * − )$ = * − + +$ = * − )$ 0 3 ! ) ! "2 λ = −2! "−20 = ) + − )$ . 1 = * 3! )! 2 $ + 2λ( = * = * 0 − +3 +$ = * = * ! *! "−2 2! *! 2 λ = )! ")0 = $ − )λ( = * − + − )$ = * . 1 0 − +$ = * − 3$ = * ") 2! 3! 2 !3 ! . / ∈ - " / ! $ $ ; $ *! $ * −2 * = ! 2< )< 3< $ < 0 ∈ ∈ ∈ $ # $ < / λ ! "λ = 0 ! 2 * * = * 2 * 2 2 ) 2−λ 0 . ")0 = λ=2 $ 0 $ − ) ( = * H * * 2−λ 2 2 λ=) * * )−λ L 0 = −λ − 2 ) λ − ) λ; = * − = * − + = * . *! *! . ") *! *! 2! 0 ") = 2= λ=) "20 = $ − 2 ( = * H 0 + +$ = * . α! β! −α − β . "2 2! *! −2! *! 2! −2! "2 = )= λ=2 ' 2 * * . *= ! 0 * 2 * −2 −2 2 2 * * * −2 * = * 2 * * * ) . *= # * −2 *= 2 * * * * 2 −2 2 −2 ! 0 2 * * * ) * * * 2 = /. )−λ * * G . * 3−λ −) * * )−λ ") = $ ") = 2! ! *! * ) * −) * 3 * * * ) !N O 0 = ) − λ ) 3 − λ − ) ( = * H −)$ = * =* ") 0 2! *! * λ = ) )! 7 = /. * * −3 > !N * 4 −) 2 7−λ 0 >−λ 2 4 * = * −) − λ ! ) = P. * −3 =7 − λ> − λ−) − λ 1 $ O ) 4 2 4 −) −) !N " $ O . # $ # * −2 ′ =* ′ * A* ) A = 2 A*A = ±2! ! = 2! )! ‖ ‖= ! ∈ ⋅ =* ∈ ! ! ∈ ) 2 + ) ) + A*A A* ′ A = A A = 2! 0 + ) $ " 2! )! ! / 2! 2! 2 !; 2! *! −2 2 2 2 2! −2! 2 2 !− 2 ! 3 =2 ′ 2<! 2 3 $ −2 ! 2 3 − ! 3! $ ! 2 3 =* * 2 3 0 2 3 − 2 3 2 3 =2 2 3 ! " ( ! ! !$* ! ! *= /. 2 ) * 2 ) * 2 * * − 2 ) 2 ) * −2 = ' 2 ) * 2 ) 2 ) ) * 2 ) = *′ * ) * − 2) ) # ! ! # % $ $ $ $ ; ' % 1 # −) ! )+ + $ $ 2! − 2) − + 2 ) $ 3 )− + 1 $ Q . < " 2 −) = / = 2* + ) + 2 ) 0 2! − 2) − $ 0 ! 2 ) 2! − 2) + M $ 2! − 2) + + = + 2 ) 2 ) 0* = 2* − ) + 2 ) * −2 = * ′ ! ' −2 ) −2 −2 −2 λ = *! "* = α! α! α . 2 ! 2 ! 2 ) ) 6 − 2) + 2) + 2 ) 2*+) + 2*−) + * )− + 3 6 3 6 $ 0* 3 ) λ = 3! "3 = ! ! $5! + + $ = * ' E 0 2 2 ) 2 2 − ! *! !− ! 3 ' * 2*−) + ) −2 −2 = P. )+ + 0 *′ * = 2 2 ) 2*+) + − 2) − 2) + 2 ) + 2 ) 2 $ !% ( 2! 2! 2! ! −2! *! 2! 2! −)! 2! *= . − 2 3 2 ) * − 2 3 2 3 * −2 = * ′ ! 2 ) 2 6 ) 6 ! 2 6 * * * *′ * = * 3 * * * 3 $ " ( ∈ # = × × × $ =* * ! * −2 * = *∈ ! ( −2 ! = * * −2 * * −2 * * −2 $ = * * −2 * * −2 * 0 0 ' * −2 * * −2 = * =* * −2 2 * * = / * −2 * 2 * 2 2 ) *= 2 = *⋅ * * * 2 * ' = = −2 −2 2 2 * * * 2 * −2 −2 2 2 * * * 2 * −2 −2 2 = ! ⋅ * −2 = * ⋅ 2 * * * 2 * * * ) ⋅ * −2 = = 2 2 2 * * * 2 * * * 2 * * * ) ⋅ * −2 ! = * ⋅ 2 * * ⋅ ⋅ * 2 * 2 2 * * * ) ⋅ 2 * * * 2 * 2 2 2 = 0 = 2 * * * 2 * −2 + ) −2 + ) 2* ' ) = 2 * * * 2 * 2*)3 2*)3 2*)4 /4 = / 3−λ )−λ H 3 # ! =+ −λ * 2 −2 ! 3 6 0 2 ) ) −+ + ) = * ' ! 4 = + 3! = / $ = − +λ + λ ) 6 2 0 * 2 * * * 2 ) =+ −2 3 2 −3 3 0 2 −λ * 2 = 3λ ) − λ 3 − 3λ + 2! −3 3 − λ 3 ) − 3 − 3 + = *! −2 = )−3 +3 0 3 =3 ) −3 + / /0 0 / 2 ! )! ! =∑ =2 ) +) ∑ ! =2 < 0 → / 2 ! )! ! = 2 ) 0 / = $ $ ′ . 22 2) 2 2 2) )) ) ) ̇ ̇ ̇ ̇ 2 ) / ̇̇ ! $ " $ " / 0 3 → ! / ! ! $ = > . 2! 2! * /2! 2! * = 6! /*! 2! 2 = −22 0 / / ! ! $ = + ) > −2 * 2 ) ∃ / 2 ! )! ! 2 =∑ $ +4 $ − +$ ) − ) *! 2! 2! −2 $ E $ ) ) −+ * </ </ < < <2 / $ / 0 / > *! ∀ ≠ θ / < *! ∀ ≠ θ / ≥ *! ∀ ! ∃ ≠ θ 5 / = * / ≤ *! ∀ ! ∃ ≠ θ 5 / = * 5 / 2 > *! ∃ ) 5 / ) < * ) =2 = ) 22 2 + 0 ) )) ) +⋅⋅+ ) " ; $ ! $ $ ! $ ! $ ! < # ! 0 / = * . $ ′ / * ! ( * −2 = * ′ ! = ′ * ′ / * / = * ′ /*! / ) ) − % ! *∈ / 2 ! ) ! 3 = )2 + ) /*! *! 2 = −2 . / ! ! $ = 3 ) + +$ ) / ! ! $ ≥ *! ∀ ! ! $ ∈ 3 ! /*! 2! * = * 5 / = ′ $ λ $ ! $ 0 /. /2! *! * = 2! $ ! ) 3 ! $ ! ' > *! $ < *! $ ≥ *! " λ = *! ≤ *! " λ = *! > *! λ < *! ∀λ ∀λ ∀λ ∀λ ∃λ < < < < < / ! ! $ = 2* / $ $ +6 ) + >$ ) + 4 $ = ) 2* * ) = * 6 * $ ) * > 2* − λ * ) * =386 − 267λ + )3λ ) − λ 3 = −λ − 22λ − 6 ) * 6−λ * >−λ λ = 22 λ = 6! ) $ . $ $ 5 / = = ′ 22 2) 2 2) )) ) ̇ ̇ 2 ) ̇̇ ! ̇ 0 Δ2 = 22 ! Δ) = 22 2) 2) )) !Δ = ! 22 2) 2 2) )) ) ̇ ̇ ̇̇ 2 ) / ' 0 Δ 2 > *! Δ ) > *! ! Δ > *! < < $ $ ! $ $ ! Δ 2 < *! Δ ) > *! Δ 3 < *! < ' Δ >* Δ <* / ( / = / ! ! $ = −6 −6 $ 3 −4 2 . 3 ) ) −4 ) − )$ ) + 6 * 0 < 0 $ $ ! 2 * −) ̇ $ +) $ = <! / −6 Δ 2 = −6 < *! Δ ) = = 2+ > * 3 3 −4 −6 Δ3 = 2 * =−)6 < * 3 −4 * −) 2 ' $ / ! = 4 / ++ ) = * ) ) + /4<*! $% / ! % ! " ( A A= ! A4A = 4! ' A A ≥* $ 0 <* − A−+A = + $ A A A A A 3 0 ! ∈ + A ≤ A A+A A ! ∈ A = A AA A −! < < ! A<! − A<! −! < < +! > > <− A ! ∈ ! ≤ 0 ( 0 ! = ∈ 5 < < ( 0 ! = ∈ 5 ≤ ≤ ! δ > *0 ! δ = ∈ 5 − δ < < + δ = $ 0 ! = ∈ 5 < ≤ ! = 2 2 ! = " " 5A − A < δ ∈ ∈ 5 ≤ ! +∞! 0 ∃ ∈ 5 ≤ ∀ ∈ ∃ ∈ 5 ≤ ∀ ∈ 1 ( ! ( ( < −∞! " −∞! +∞ - ( ( " $ ;F ( ( ! ! ! δ = − δ! + δ! % " ! H " / < $ = −)! 3 −4! −3! −) ′ 2! . 7! 6! 3! " . ! −)! 3! −)! 3 " = 2 5 ∈ " 2! ( ;' 2 " < " " < < ( *! " E " "! 2 ! δ< ! − 2 2 +2 2 ! δ! ! " *! 5 # 2! 2 ! 2! )! )! ) . < ! ! ! # # > ! = " # # 0 = # 2 + − 2 ⋅ " = ! 2 + ⋅ ) = " = # "= / 2 ⋅! −2 !− !−2 2 = 3 ) −2 3 ) ! 3 4 ! 3 7 0 A!A < 2! 2 2−! " 2** = " 3! ! # )! 4! 6! 7! " . <. 0 # # <. $ != ! # )+)**⋅2** ) 2 ) # = 2*2** =) " 2* = 3 −3 ) 2* 2 −2 ) = ≃ + 8842! 3*68 +2) <7*R . ( S S 0 2* + 2* × * 7 + 2* × * 7 ) + = / / / / / / 2* # ! ! 2* 2* 2−* 7 ∀ ∈ 0 ≥ +2 ! ∀ ∈ 0 ∃ ∈ 5 0 ∃ ∈ 5 ∃ ∈ 5A A ≤ ! ∀ ∈ 0 ∈ = +* ≤ !∀ ∈ ≥ !∀ ∈ = →∞ 5∀ ≥ ;E →∞ ∀0 > *! ∃ $ ∀ > *! ∃ 0 0 0 ′A < − $ − A< ! # < =∞ 0 ∈ 5∀ ≥ $ ∈ 5∀ ! ′ ≥ A A>0 0 / /H /H /H / 23 0 A $ # / / A $ +2 ! ∀ > *! ∃ / =6 3 2− 2) 0 ≤ 0 "= # ! ( ! " $ $ $ " % /G 2 − +** ! 23 + 2 +** ! # ! $ 3 +) 2 − A = 3 +) − 23 = 8 )+6 < +** = 222! $ 2 2 ! ! ∈ 23 − +** ! 23 + +** 222 22) 223 ! ∀ ≥ = 222 0 2 ) ) A − A = 3 +) − 3 = 8 +6 ≤ 8222+6 = $ > A ) 2**+ < ) 2*** 884 8 = = 22* 4! 2 +** / < < $ < < = 3)−2 ! )) ! +4 ! 76 ! = 2 − ) ! −2! −3! −>! −∞ ) = −2 ⋅ ! −2! 4! −8! 26! $ ∞ −2 ⋅ + = ! *! )! *! 4! *! 7! ) ! ! ! 3 ) $ ! ! ! ! G % # !% ( # ! . ! ! " # H ! ( / < < = ≥ 3! + −2 # = +2 0 !! ≥2 ⋅ !! # ( 2 −) # . # = 2! ) = 2! 2! 2! )! 3! +! 7! 23 " # $ 0 = − 2+ + ) 2 + 2− + ) / . −2 0 0 < ! . ) $ ! = )+ = )+ ! < )! ! −2 # = ! →∞ =2< )+ < +2 ! ) −2 )+ ! = 2! = < )! = 3! )+ 0 2 = 2 < )! < )+) = ) 1 ( = −2! = )! =) = →∞ 2 ( $ ! 6 / / / / $ 2 )+ −2 < +2 ) < )! ! 0 + = + = ⋅ →∞ ≠* = ! →∞ = ! >* →∞ →∞ . # $ ( $ 0 * ∞ * * ∞ − ∞! * ⋅ ∞! ∞ ∞! *! 2 ! * ! ∞ H# H . % ∞ ∞ 0 $ * ⋅ ∞! / * * ∞ ∞ 0 ! < →∞ < < = ) 3 − +) = ) −3 →∞ ) 3 −2 3 6 ++ + 3 3 6 ++ 6 →∞ )− 6+ →∞ = ) ) +3 = 2 3 = 2 ) = 6+ 6 + 2 ) 3 ) →∞ )− ) →∞ − 2 ) ) +3 →∞ 2− 3 + = 3 −3 ) +2 ) 3 2 ) =* * ) = 3 ) )+ 3 6 ++ + 3 6 + ) =2 ∞−∞ 0 H $ " / < = →∞ − )+ →∞ +2 + − ) / +3 +2 < →∞ < →∞ 3 →∞ −+ ) ++ = )+ = ) ++ ⋅ →∞ +3 +2 →∞ 3 = = +∞! →∞ = ) )+ " − − →∞ ) ++ −2 3 2 3 = ! # = →∞ / < = 3 − 3 −3 ) +3 −2 →∞ 3 +) ) →∞ →∞ ) 3 +) →∞ =) < = 3 +2 +) = = ) →∞ 3 ) −3 +2 = M ;H =) =) →∞ ) −2 = ) −2 →∞ 2 = *M 2 −2 = ⋅) = )+ ) ++ →∞ = M ;H =) = 4 +2 −2 ⋅ 33 4 = = →∞ − − →∞ →∞ 0 −2 −2 = 2 3 = * * M 3 +) = = −) −) ) ) −2 →∞ 2+4+8+ + ) −2+4+8+ + −2 ) 3 − −2 3 →∞ ) →∞ < = ) 2+4+8+ + →∞ + + →∞ ) +2 →∞ )+ −2 = = −2 ⋅) →∞ = = ∞! →∞ ∞* **! )+ ) −2 →∞ −2− ) +2 ) −2 ) →∞ = 2! →∞ − 2 ) = ) −2 2∞ 0 H = ) −2 )+ = −2 ) +2 →∞ < + ) →∞ =*⇒ ∞ * M →∞ 3 +) ) 3 +) − − −2 = 2! 3 +2 →∞ = =) 3 +) 3 +) →∞ →∞ ) =2 3 +) 3 +2 = ) = = = →∞ 2 = →∞ = 2 . 2 →∞ " ∞ ∑ = =2 = 2 2 + = →∞ ) + L 3 − −2 − −2 →∞ + + = + 2 = ) ⋅ ⋅ ⋅ ⋅ →∞ 2 + 2 + 0 ) ) + 3 ) + 3 ⋅ ⋅ ⋅ ⋅ ⋅ = < + 2 = 3 $ ∑ ∞ ∑ ! ( " ! =2 =" =2 +⋅⋅+ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ∞ = "! 2=* ! = 2 = 0 ! 0 $ −2 →∞ " . ∞ < $ ∑ ! =2 ∞ < ! . ∑ $ =2 − −2 ! ∞ 0 ∞ ∑ = 2+ 2 = →∞ 2 ) 2 ) + + 2 3 2 4 + + 0 2 4 2 4 ∞ ∑ =2 0 = →∞ →∞ −2 − 2 + + 2 + 2 7 + + 2 6 2 7 2 ) + →∞ + + + 2 3 = *! 2 2 > 2 7 2 4 + + 2 7 2 7 + + + 2 + + 2 6 + =* 2 7 + + ⋅!+ ⋅ !) + + 2 ) + 2 ) + ! 2 ) % =∞ + 2 $ = 2+ ⋅ !3 + →∞ ' + 2 > = "! →∞ $ =2 =2 2+ 2+ "! ∑ = *! →∞ . =2 ∞ = ' ∑ ! + ⋅! + ! −2 = "! ∞ ∑ ! # −2 =2 # = 2−! ≠ *! ∑−2 !! A!A ≥ 2! - ∞ ! = +2 =2 2 A!A < 2! $ $ − 6 ) + 3 0 − ≥ *! ∀ ! 4 "0 $ ∞ ∑−2 /. →∞ =* 2 +2 2 ∑−2 →∞ = *! $ ! 2 $ ! ! =2 ∞ +2 =2 ∞ ∑ ∞ 0 ∑A A $ $ =2 $ =2 $ $ ∞ ∑−2 /. +2 2 $ =2 . ∞ ∑A−2 $ $ / $ $ / ∑ ∑ %< 0 $ ! <! ∑ ∑ $ < ∑ $ ∞ =2 2 # ∑ # ∑ ! $ ! ; *≤ $ ! $ $ ≤ ! ∑ !∀ ∈ ≤∑ $ ∞ ∑ <2 ∑ $ ∑ + = ∑ +∑ λ∈ ! ∑λ = λ ∑ # ∑ $ $ ! 0 < 2 ≥* # + ∞ A =∑ =2 ∑ ∑ / =2 ! ∑ +2 2 2 $ =2 =∞ 2 > 2 ! < 2! ∞ ∑ =2 2 =∞ <2 ∞ ∑ ∞ ∑ > 2! / = 2+ 2 =2 + 2 3 2 4 ! ∑ = 2+ 2 =2 ∞ + 2 ) + 2 3 E 0 2≤2 ! 32 ≤ )2 2 ! ! 62 ! >2 ≤ 72 4 ! 82 ! ! 2+2 ≤ 262 ! 2 ) 2 + 2 7 ∞ $ =2 + 2 ) 2 ≤ 2 + ) )2 + 4 42 + 7 72 + 2 4 = = 2 + ∑) 2− =2 ∞ ∑) 2− E =2 ) 2− < 2 ; >2 # ∞ > 2< $ ∑ ! 2 $ =2 0 ∞ ∑ =2 ∑ &< >2 $ 2 ≤2 $ ∑ # $ ! = →∞ > *! ∞ ∑ / ∞ ∑ 2 =2 3 )− = 2 3 ! # $ ! 2 =2 2 →∞ $ = 3 )− 2 # ∑ ! ∑ ! > 2! ∞ →∞ = 3 )− 2 3 ; /T 2 3− 2 > *! $ )− =2 →∞ +2 →∞ <0 =! ! < 2! $ ! $ / ∞ < ∑ =2 ) →∞ @ +2 = →∞ ) +2 +2@ ) ∞ →∞ +2 +2 +2@ @ =2 = →∞ = →∞ ) +2 = * < 2! @ ∑ < →∞ = +2 +2 @ = > 2! $ $ ∞ ∑ < =2 +2 3 +2 →∞ "; ∑ ∞ →∞ ∑ / = =2 →∞ →∞ 0 ∑ →∞ →∞ = < < 3 +6 ) +4 +) 3 $ ∑ →∞ −2 0 <0 ! < 2! +2 3 =! +2 ∞ ∑ =2 ! > 2! ! $ $ < $ 3 ) +2 ) −3 ) +2 0 $ ! →∞ 3 ) ( ∑ 1 →∞ $ $ 1 $ % ⋅ 3 ) +2 ) −3 ) +2 $ $ − 0 >* $ $ A − A> $ 2 ∑ ∞=2 $ / α < . ∞ =* A − A< $ * < 2! $ ! $ / ! > 2! ! $ α $ ' $ = =)>2 . - ! =2 !<2 +2 4 ⋅ +) 3 ⋅ 2− α = 2 ;D . →∞ ! 0 ⋅ = !! →∞ ! ! !≠* 0 α > 2! ! α≤2 $ / =! 2 − 0 = +2 ) →∞ →∞ +2 4 ⋅ +) 3 < = 2 − = +) 3 − 2 = * < 2! < / 1 +2 = − 2 =2 →∞ ;L ! @ 0 A A +2 + 2@ =* A A @ ∑ ∞=2 ) 0 A A A A = →∞ ) ) A A < 2! ) =∞ $ $ 1 D . ' −)! ) ! =) = −) =) 0 $ ∑ $ $ ' D ' −2! + =+ = −2 % =3 ∑ ∞=2 32 ∑ ∞=2 $ −2 3 $ / $ 1 →∞ ' $ *! ) =* D ' % =2 ' ∑ $ −2 0 A − )A A − )A = 3 3 A − )A < 2! 3 −2 →∞ $ $ $ ∑ ∞=2 − 3) $ 1 ' ∞ −2 =2 ∞ 2 =2 −)! ) $ / 0∑ ∞ −2 =2 ) − $ $ $ −2 $ −2! + ∑ ∞=2 )− 2 − 0 A − 2A = A − 2A ) − A − 2A < 2! =) ∑ ∞=2 $ 0 *! ) . $ 2 )− $ . . 0 ⊂ ! ! = ! " ↦ ∈ % → ! ! ! ! ! $ 2 ≤ ) ! ∀ 2 ! ) ∈ ! 2 < ) 0 2 ≥ ) ! ∀ 2 ! ) ∈ ! ; 2 < ) < 0 ⊂ → ! − = ! ∀ ∈ ! ! ! " ! 0 2 < ) ∈ ! # − ∈ − = − ! ∀ ∈ . # KD! - ! + = ! ∀ ∈ $ *! * # " 0 + = + ! = ! 5 = ! ∘ = ! 7 7 . . ≤* 0 = + ≠* ! '()*+(, & +* -& ≥ *! KU 0 7 . = = > *! −∞! ( ) + −2 + + <* = −2 ) + + $# + 2 * . ( = −) ! ! − 4 + )! = = − ! 3 4 . − ) 6 3 ) 4 2 ) /3 /) * /2 2 ( ) 3 /2 * /) ) 4 ( 6 /) /) /3 3 ) 2 /) * /2 2( ) /2 0 = ! * < < 2! 7 . . 2! >* /+ /4 /3 ( /) 3 3 ) ) 2 2 ) /) * /2 /2 = ! * < < 2! . 2! > *! ) ( 3 4 ≠ 2! > 2! ! ) ! 2 ) 2 ! 2 3 4 ) 3 2 /2 ) 2 ) 3( 4 + 6 2 * /2 7 . 2 /2 * /) /2 /3 /) /4 /3 = 3 ! 2 + /2 0 7 . ! 4 2 )! ! 2 3 4 * /2 ( ! 2 ! 2 ) ( *! +∞ ≠ 2! 2< 0 = 2 ) 3 ( 4 + 6 *! +∞! = ! (! +∞ −2! 2 1 . )π = . ! π ∈ 4 ! = 5 $∈ π! 0 2+ 2 *+ /) ! )$+2 ) 2+ 2 *+ * /* + /2 /2 + ) ( 4 6 /) * /* + /2 /2 + ) 4 ( 6 4 2+ 2 *+ ) /) * ) ( 4 6 /) /) * /* + /2 /2 + ) ( 4 6 /4 0 = . 2 9*0 4 ) /4 /) * ) ( 4 /) /4 =$ $≤ 0 < $ + 2! $ ∈ 4 ) /4 ) ( /) * /) /4 . 0 4 =A A= >* − ≤* + 4 3 ) 2 /4 . * /) ) ( 4 0 <* −2 " = +2 ≥* 2 *+ /4 * /) ) ( 4 /* + /2 = $ 2+ − = )*! . )* 27 26 24 2) 2* 7 6 4 . = 2 )π − = 2+! J ! ) ) ! = 2) ) * 0 + 2* ( 2+ )* ! 0 *4 *3 *) *2 /4 7 −2 ' * /) = 0 0 → ) ( 4 = ∈ $ ! $ 0 H −2 = < < . !# = / = −2 = ( 1! ) +2 +3 2−3 −) $ ! = 0 = ! = 2−3 −) −2! 2 −2 0 . 0 ) 2 /) * /2 2 ( ) /2 /) ( . % ! $ ( ! $ ! 0 → = ⇔ ∀ > * ∃δ > *5 * < A − A < δ ⇒ A − A < 1 '() / , . 0 ( ) −2 /' ) −2 −2 ' →2 −2 ) = −2 −2 −2−) +) −) = −2 δ = ! A − 2A < δ ⇒ ) . → − = % → . + = - !# 2 ! ( → > → < − ) < ! ) −2 = A − 2A < ) −2 − ) < ! −2 % . =) ' −2 ) −2 −2 →2 0 =) 0 % 0 = = ! ! →* >* 0 →* >* - + − 2 ! ! ( / 2 −3 E →3 + 2+ →3 2+ 0 −3 =* = 2 −3 /G ∞ 2+ * →3 − →2 −3 2 −3 → 3+! 2 −3 * → 3−! −3 ! 2 −3 →* 0 3 = −2 −2 3 *≤ +2 <* ≤2 >2 6 4 ) /3 /) * /2 2 ( ) 3 /) /4 /6 →* − →2 − = 0 = →2 →* →∞ → = − 2 = −2 M − 2 = *M = −2 →2 = = →−∞ 0 = ! → = ' . = = 0 →∞ + 2 = )! →2 A A > 0 ⇒ A − A < * < A − A < δ ⇒ A A > 0 = +∞! ! 2 2 π π = *! = −∞! → 0 / − 2 = −2 →* 3 ( 0 ⇔ ∀ > * ∃0 > *5 = →∞ →2 + →* + = ∞ ⇔ ∀0 > * ∃δ > *5 = ! →+∞ =∞ →∞ →∞ 3 →* →∞ 9* = * π ) 2 +) π ! * = ! → 0 = 0 = →∞ π) + ) π = 2 →∞ ' 1 / / / / / →* ∞ ∞ * * ( 0 ! ( = ! = ! → → + = + → = ⋅ → = ! ≠* → = ! >* → " 0 0 ∞ − ∞! * ⋅ ∞! ' $ $ ! − $ 3 −) ) + →−2 ) −2 - = α − → ! 2∞! **! ∞* # * * / ! +4 = = +2 ) −3 +4 +2 −2 →−2 ≠* = −4 ) −3 +4 −2 →−2 ! =* → 2 # * * $ # α # ;E < . # 0 2 + ≈ →* ) →* = →* ) ) = →* = 3 3 2− ) →* 2 ) 2 2 ≈ →* →* 0 = −2 ) ) ≈ = )3 −2 →2 →* / < →* ≈ 2 + − 2 →* 2− ≈ →* →* < 2− ≈ ≈ − 2) ! − 2 = 3 ) ) ) ) = $ →* 2 ) − ) ) = − 2) 8 ) ≈ −2 H →* < →* − 2) = < # ! = = ) −2 →* = − ) 0 = −2 ) −2 = ) ) 3 →* # = − ) ) ) = − 24 ; − ) ) →* 2 →* ) →* −2− = ) →* ⋅ = − →* ) 3 0 ! $ ! → → − = / →+∞ →+∞ = →* < − −2 − −2 = = →+∞ →+∞ −2 = 2 = 2 →+∞ = 2 =2 −2 ) 3 →+∞ $ < =; 2 #! → = ' ! → − + < ( % = . % → ! + = ! ! 0 0 %< / <E < &< / ( ! ; ; ! 01 ! = →* − < = = →* >* →* <* = = →* →* 2+ 0 < =* / < →* + = ∞* **! = ) ) ) − 2 →* 2− = = 2 ) $ ! ( < 0 <* 2 FEH2 + ≥* FEH2 + = 2 2+ 2 * =FEH2 + * = 2! =2 = * 2 )− ! =) ! ! ! + 4 3 ) 2 /4 E →) + /) * ) 4 0 = ' 2 →) )− >) =* →) − = )! ! = 2 →) )− <) =∞ = < =* ! 2 *7 *6 *4 *) /)* /2* * 2* ( )* /* ) E = 2! →* $ . . ! ! ! ∘ ( ! *! +∞ . ! # ; E →) →) = = ) = 2) / E →2 = = 2 = )3 ) ) = < < +3 +) →2 ! ! +2 +) −2 = * $ −2 ! 0 +2 +) 2! 0 = →2 − ! +3 +) / →2 − ! ! ; / # −2 →2 2− = + →2 + 2− −2 2− = *! >2 ≤2 2 0 ! !# : 2:9 %/ /!6 8 6 #!/2 $ 79: 2 :! ! ≠ *! ( & / ;3 " < ! $ ! ; < *! ( ∈ ! =* ' / ;/ < ! ! $ ! (/ ! ! ! ) / ;3 " /; < ! ! ( ! ; ∃ ! ∈ ! 5 ≤ ≤ ! ∀ ∈ ! / = 3 + + ) − 2* ' ? ! E −+ = − 2* −4 = 6 −) = ) −2 = − 6 2 = − 4 ) = 27 . = 3++ % ! 0 −+! −4 −)! −2 2! ) % ) % − 2* 0 6* +* 4* 3* )* 2* /+ / /4 / = H = ! ( /) /2 * /2* 2 ) 3 $ ' < H /3 0 $ ∈ ! ( ≠ ∈ ! ( ∈ ! = ∉ ∈ = − ! * = * − * > * ? ! ( →* ! = ! $ ( *< <2 ' *! 2 ! *! 2 ∈ *! 2 V*!2W 1 2 = 2 − 2 < 2 ∈ *! 2 = *! ( + − 0 ! H ! ( ! ′ 2 4 3 ' ,2). ' ) 6 2 5'()* -& & ( ,2 '() + − ! → *! ′ ! = + − →* . / →* *! ( = ) ' ! = = 2+ − 2 →* ) + ) =2 − 2 = ′ 2 − 2 ) = 2! $ =) ' ′ % 2 = )! − 2 = ) − 2 4 3 ) 2 /2 * 2 ( ) 3 /2 /) ! $ . = = ′ $ ′ ′ = ′ = ′ = ′ =* = = = = 2 ( ! ′ % 0 = −2 (! * /' = + − )! !( =2 ! $ = = = ! = ! ′ ′ ′ ′ ′ = =− = 2+ = = ) 2 2+ ) 2 2− ) / D $ 0 = + ( ′ = ′ = ( ′ = ( ′ ( / ′ = )⋅ = ) 3 ⋅ = ′ = ′ = ′ = ′ + (′ ( + ( ′ ( − ( ′ () ( ( ′ ) = 3 = 3 ) ! 3 ⋅ 3 ′ = ) 3 ⋅ 3 ⋅ 3 = 6 3 3 0 3 ⋅ 3 ′ = / ′ < $ = 2 −2 ′ = ′ −22 = ′ ≠* = ! / ' ′ ! = ! / 2 = ! ′ = / 0 0 2 + 0 = −3 3 2 = −2 ′ ′ 2 ) −2 ′ $ $ 0 = ′ ′ % ′ + ′ !% = ! ' ! ; −2 = 2 2 2− ) = = ) +) G 2 = 2 ′ 2 ) = 2+ 2 ) = 2 2+ ) 2 −2 ′ 2 = 2 ) 2 . ! $ ! / = $ 0 2 ′ ⋅ =− = ⋅ − = ⋅ − = $ $ ! ′ $ = M + ⋅ $ ! 0 + + ⋅ ) ) + = ⋅ M = / ′ 2 →* >* + − 0 ′ , - →* − = !( ′ - $ ! + − = 0 + − →* = ′ ⋅ 2≤ ) =2 $ ′ − <2 *≤ = +! =* →* = → / − − − →* >* 6 + 4 3 ) 2 * ′ ′ 2 + = →* >* 2 − = ' →* >* = 2+ − 2 2− − 2 − ! *+ = →* >* %→* % >* 2 2(+ = 2+ ) −2 2− −2 − = K )+ 3 2+) + ) −2 →* >* = 2− −2 2− +2 − 2− +2 %→* % >* =2 $ ) →* >* ) + = ) = %→* % >* − − 2− +2 = $ $ 0 ′ *< 2 = ) <2 >2 ) + 4 3 ) 2 * ′ =2 2 − = = $ ) ( 0 ′ = 3 ′ 2 ) = /1$ . 2 ) 2 2 >2 3 <2 ) 3 2 + = )! ≤2 ) ) 4 >2 $ $ =2 2 ) ′ ' . 2 − = ) $ ′ 2 + = 3 =2 + =4 →4 − = →4 % = 26 = = $ 4! →4 + $ >4 0 =4 + . $ 0 >4 ′ 4 − = 7 = ′ 4 + = =7 = −26 % ! H →4 + 26 = 4 + % ) <4 ' ′ ) ≤4 ) = /G ! ( $ ≤ $ E ∈ − ε! + ε . ! ! ! ' ( 0 0 !( ! <) ) = >* ( − +6 ≥) > 6 + 4 3 ) 2 /4 ( $ /) =) $ * ) ′ ′ $ =* . ' ! " " <) ) + >) −2 ! ( =* ′ =* ′ $ $ < *! ′′ > *! ! ′′ ( 0 # 2 $ = 3 ! ! − $ ) )! ′ /G . 2< ′ =3 = ) = 4 ≠ ) = −2 ′ − 4 $ 0 ′ ( −) −2= * K 0 =2 = − 23 ) ( ( − +2 $ ! ′′ )< . $ 2 ′′ − 3 = −4 < *! % ( = 6 − )! = 2% ′′ 2 = 4 > * $ ! = − 23 $ 2) 2 *7 *6 *4 *) /2 /* + * /* ) *+ ( 2 2+ /* 4 E $ /G ( $ " 24 ( + ? ' = 24! % = 24 − $ % 0 ′ = − 4 3 + 4) ) = *! ′′ )2 ) = − 442 < *! ′ ! ! =* % = 24 − ( ! ! $ 3 ( = 0 0 ∈ ! ! % /G *! +! % = )−+ +6 ' * = + = 6 ( ∈ *! + ′ = ) −+ = * % $ = +) ! )2 ) = )2 ) ! = > ) = ! ( 0 +) ! − 24 3 ) 2 * 2 ) ( 3 4 /2 /. −)! ) E $ = $ =* 3 −)! )! ) ′ = ) 33 % H −) = )! " = ! 3 )+ )* 2+ 2* + /2** / 6 $ ! ! / = . 2** = − ) − 2 ! ! ! 2+ > 3 +* ′ * = 2 2 = )! ′ ∈ *! 2 ∈ 2! ) =* E ( ′ * /+* = =) 3 − ) = )! ) 4 ! − )> + )> > )− * )−* ) 3 − ′ =* = ′ = * 0 ! ! ( ′ = −− ) ∈ ! 0 ! ! ) !% *! * )! 4 *! )! $ = 2+ > 3 ∈ *! ) ( ! 0 − − )>) + > = ) − 4 )> 2+ > 3 4 3 ) 2 /3 /) * /2 2 ( ) 3 /2 /) /3 /1 2*2 H 2**! 2*2! ( 0 2* = 1 ∈ 2**! 2*2 2*2 − 2* = ' E 2 )* $ $ ′ − = ′ ′ − > *! $ ( $ 0 2*2 − 2** = ′ 2*2 − 2**! 2 ) < 2 ) 2** ′ = >* 0 ′ > 2 )* ! < ′ ! 1 $ ! 0 " ( ! " ( ! 3 − ) ′ <* ! >* ! <* ! ′ ′ /K −6 ! ! ! ! = $ )* 2* /3 /) * /2 2 ) ( 3 4 /2* /)* > *! ′ < *! < ′ 0 6T4 ′ $ = =* ( 0 → / = →* 1 2+ ) / = →* = →* = − 23 28 ! > 23 + 23 28 ∈ 23 − 23 28 ! 23 + 23 28 2 3 →* =) →* 2 ) − = − −2 3 ) −2 6 2 ) →* 2 ) −2 2− →* = →* 1 .TG ′ ′ * = = →* ) . .TG →* 0 = ) # $ ′′ →* ( → % ! →* 2+ ) 2− 2− = 0 − →* 3 −2 6 ′ * = * = = = − 2 = * = − * ) # ≠* ′ →* 2− = ! ′ → ) 0 * = = 2− / ′ ′ → . 2 = →* ) .TG 0 − = 6 ′ ≠* * = →* =* ) * = 2> ) ) ′′ ′′ * = 2> G ′ * = ∞! → / = ∞0 → = →* + →* + ′ → = 2 ; . ′ = ! = 2 →* + − 2 ) # →* + → = − = * ( $ $# < $# ! $ ( ! '() 67( 6 8 9 79 $ $ ′′ " =− ′′ ! < *! ′′ > *! ! ′′′ ≠ *! 2 2+ $ ( - ( 0 ! $ ( ( 0 ) $ 0 2 3 $ $ 0 ′′ / = . =* $ " " $ −∞! − 2 3 . ∪ $ 2 3 ′′ =) − ! ∞ 2 3 ! = ( 3 ) −2 3 2+ ) = ! 2 3 2 3 ! $ ( =− # ′′ 2 3 ! $ $ 2 3 2 *7 *6 *4 *) /4 →+∞ = ! < = = →−∞ * /) ) ! = ! 0 % " 4 ( → =∞ = →∞ % ; % →∞ = = + − →∞ ! 0 = ! ! ' ! ! = /= →∞ →* ′ =− ) . $ ′′ = ) +2 4 ′′ <* ′′ 2 % $ 2 $ ! " 2 ! 0 $ ( >* ( 2 9* E ( =2 =* = 2! = ∞! ! $ ! −∞! − 2) − 2) ! ∞ $ = − 2) % ( 3 )+ ) 2+ 2 *+ /4 = /= − = − = ∞! →∞ = ∞! →* →∞ = →∞ = −4 = ) ′ >* ′ <* = −) % ′′ = 73 ′′ <* ′′ >* ′ ) = +4 /) + * +) −) ) →∞ ! ( 0 $ ( $ 4 + 4 4 9* E % # % % =* $ =2 ) − = →∞ −∞! −) ∪ )! ∞ −)! ) $ =) −∞! * *! ∞ − = *! = $ 7 6 4 ) /4 * /) ) 4 ( /) /4 /6 /7 = /= − = = ∞! →∞ = ∞! →±2 →∞ ′ 92! −2 ) →∞ ′′ >* <* = *% 0 ;*!*< + = *! = − ) −2 ) − 3 + 3 −2+ ) ) =− $ ! 0 −∞! − 3 ∪ 3 ! ∞ − 3 ! 3 $ ! = 3 ′ ′′ ) % % = 2! = −2 −3+ ) ) −2+ ) <* >* =− 3 % ′′ = − ) 3+ ) ′ 2− # = −2 = − 3 3 $ $ ( ( $ −∞! −2 ∪ *! 2 −2! * ∪ 2! ∞ ( 6 4 ) /4 * /) ) ( 4 /) /4 /6 # ! $ E $ =A A ( + 4 3 ) 2 /4 /) * ) ( 4 $ *! ′ * − = −2 ≠ ′ * + = 2 =A A ! - 2< . )< . 3< . , ( $ ! ∈ ! ! !( <* −2 ! ! # 2 0 =* !( !( 2 ′ ≥* 2 " !( !( ∈ ! = = *! # ! 0 " ′ $ ! ! ! ! !# # ( ; ! # ! ! < = / ) 3 ( ) − 3 ) G 2< . 2! ) $ ∈ 2! ) ′ 0 = ) 7 −8 3 ) −3 $ 2! ) 2 ) 2! ) $ $ % 2 = 2! ) = 4! 87 ≃ 2 *447! 3) = * ' = 3) ! )< . 3< . =* Q =* ( = = Q 8 7 3 ) 0 =) ( 3 ) 2 /2 * 2 ( ) 3 /2 0 # H = *! ( ! ! $ + ) ! + ) . + 2 +2 +2 )) ! ) * +6+4)! * +6>78! = * +6+4) 2 2 $ ! " + $ = ! ! ( /= ? + =* 2 ! 2! $ . $ % 2! 2 +2 ) ! $ ! * +6>78 − * +6+4) = * **)4> ' * +6 ( 4 ) /4 /) ) ( 4 * /) /4 /6 # ! ! / : < * ′′ * > * 1 0 0 ! ! = *! #! = H $ ′′ −2 − ! ∈ ! ! $ # −2 −2 ! = * $ ! ' $ * ∈ ! *! 2! )! 0 $ ′ 1 ' : ' )) ( = ! * 2! KU ( ′′ 0 $ 0 − !A ≤ A $ /= 2 = * − * ′ * A A $ ! A ′A =− $ = < $ . . $ + −2! * H = − 2) ! ) = ′′ −2 ) ′ $ = − * −2 ) ′ −2 ) = 2+ $ ; =* $ = −* +6632! $ * ⋅ ( 3 = −* +6632 − = −* +6>24 =2 A ′ A = A2 + A > 2 −2! *! −* +6>24 A −* +6>24A = * *****+2 −* +6632 ′ −* +6632 ; ′′ $ < * = 2 > * 4* *6 *4 3* /* 7 /* 6 *) ( /* 4 /* ) *) * /* ) )* /* 4 2* /* 6 /4 /* 7 * /) ) 4 ( /2 / . $ + ! ( 0 $ △ = + − ( + L 1 '() ' ) ' ,2). ' ) & 0 ,2 0△ = / ( 0 = * ⋅ ) = ′ ⋅ ! ( ! = ′ ⋅ 0 0 → → ! = ′ ⋅ . $ ( . ( ! = ′ ⋅ < / =8 ! $ = ′ ⋅ $ 0 2* ≃ ( $ S ; ! 8 + 2 6 0 = 2* $ 2! 0 2* − 8 = 2* − 8 ≃ ′ 8 ⋅ 2 = . S ' = 3+ 2 6 = 28 6 2 ) 8 = 2 6 = 3 266 $ △ △ ′ △ ! ( △ = + 2 − ≈ ′ △ = + 2 − ≈ ′ $ ;K ′ ( $ ! △ = +△ − ≈ △ = +△ − ≈ ′ 0 ! ( + 2 $ / $ = 2 4 ! ) 0 = 2) 23* − ′ = 2) + 3 = = 2) 23* − + 3 + >! = ( = 23* − )( ' ( ++ − +4 = )2 ) ′ ! 2 ) ( ) ! 0 ++ − +4 = ′ +4 = 3* ′ +4 = 22 ++ 2)2 4 ! L ! 2R! 2R! 0 △ = $ ! ! 2** $ △ ≈ η ; ( η= ′ < 2** △ η! 2R " 2** ! = ′ 0 η ! $ AηA > 2! ! AηA < 2! ; < $ ! AηA = 2! ( / = 2)** − 0 ) ! η= *≤ ′ ≤ = 2)** . −) = −) $ ) = −) ) 2)** − ) 0 . = 2! = 4** ⇒ * ≤ < )* ⇒ AηA < 2 )* < ≤ 2)** ⇒ AηA > 2 ) ) 2)**− ) / $ 0 +2$ AηA = 2! = )* ) + ! + ≃ + $ ! ( = + ′ ⋅ ( 0 + = + ′ + 0 = + ′ − + . 1 ( ′′ )@ ) )@ + − ) + ′′′ 3 3@ ′′′ 3@ + + − 3 + ! 0 * = + ′ − + !* → ( ( # ξ / = 4+) E ( 3 − + +! )@ − ) + =) ′′′ 3@ + @ − 3 + + − + @ * ( 4 ! *) = H − 0 2 6 3 ! *3 = − 0 H 4 =) )> + 4> − ) + 34 − ) ) + 2* − ) 3 + − ) 4 ! ( −) / =* . *2 = ′′ + @ ! ! = −* $ −* = *! → − − H # ! 0 +2 ξ = − +2 ! + 2@ # - ′′ 2! 3! + − 2 6 3 + 2 2)* + = 0 ! ) 2 /6 /4 * /) ) ( 4 6 /2 /) =* ! ' $ ! # H ! / H 2! )! 3 =2 0 * 2 = − 2 ! * ) = − 2 − 2) − 2 ) ! * 3 = − 2 − 2) − 2 ) + 23 − 2 3 . 0 4 ) /4 * /) ) 4 ( /) /4 /K ! . ' ' ' ' ! 2 + ! = *! H 0 ) 3 ! * = 2 + + )@ + 3@ + + @ 3 + ) −2 ! * = − 3@ + +@ − ± ) −2@ ) 4 ) ! * = 2 − )@ + 4@ − ± ) @ ) 3 2 + ! * = − ) + 3 − + −2 / $ ( H 2 $ * ) 2 = 2 + 2 + * 3 2 = 2 + 2 + E $ 2 ) 2 ) +2 ! 0 *2 = 2 + ! ) 0 *) = 2 + + = ) +! ( $ 3 0 *3 = 2 + + 2 + 6 = ) 666 >! ( * 2 2 = 2 + 2 = )! 2 ) ) 2 ) ) ( ! + 2 6 3 ! $ ! ( − ∑ 0 ∞ =* − = + ′ − + 2 @ ∑ ∞ = =* $ 2 @ 0 ′′ )@ − ) + + @ − ! − $ =* →∞ E ! = 2+2 ) ∞ 2 − ) + 4 − 6 + 7 = ∑ =* −2 ) ! ;/2!2< ' ∑ ∞=* −2 ) $ % = ) 4 6 7 ) 4 6 ) 2 − + − + ! 2 − + − ! 2 − + 4! $ ;/2!2< % 0 $ = 2 2+ $ 2 2+ % ) H ) = 2 2+ ) ) 2+ 2 *+ /4 = = =* ∑ ∞ =* = / ∑ ∞ ∑ ∞ @ −2 ) ! ) @ ∑ −2 / 0 − 2 − →* ∈ +2 ∈ −2! 2 ! =* - →* 3 − 2 − = 3 − =∑ ∞ ) =* 0 H H − − →* / 8 ) ) ( = 4 ∈ ! ∞ 2 + = ) ( ∈ −2 ) +2 ! ) + 2@ =* ' * /) ∑ ∞ =* ) − @ @ = 2− ) + 4 )@ 6 − + 0 = − ! 3@ 6 →* 2 0 6 3 ∫* $ ∈ ! 3 8 3 ) − ) + + = 2 )> ∫* 2 − ) $ ⋅ ⋅ ⋅ ∫* 2 0 −∫ 2 " ′ = ′′ ⋅ 0 % ′′ $ = ′′′ 2 4 * )@ −∫ = = ( ′′′ = = = 6 * 3@ −2 = * >4) 76 ≠* % % = $ −2 = *! $ $ ≠* ( = − 2 4 $ $ $ 0 ′ = 4 − 2 3 = * ′ =2 ! ′′ ! K =2 1 4 2 = )4 > * ' = 2% 0 = *! % ( ( 2 +2$ = = 0 = /G ' +∫ ) * >* <* # $ 2 ′′′ ! $ 2* 7 6 4 ) /3 /) /2 * /G ' K 1 1 % ( ) ( ′ 4 + = −3 % * = 6 ≠ *! ) 3 =* $ ′′′ ′′ = ( $ $ 0 =3 ) + 3 =6 +6 = *! = −3 + 3 ! = −3 − 3 ′′′ −3 + 3 = − 2 )36 < *! % ′′ = −3 − 3 = − 4 >3) 2! % ' 3 $ ( = *! = −3 ′′ −3 = 8 −3 > *! ′ * = ′′ * = * =* 2 % + 3 = *! ( ( ( 0 = −3 + 3 = −3 − 3 7 6 4 ) /2* /7 /6 ( /4 * /) ) 4 /) = . 1 / 2 3 6 − 4 + ′ 0 + + ( 2 ) =) 4 + $ − −4 2 ) 4 +) 3 ( = *! = *! = 2 ′′′′ * = ′′′ * = * * = 2)! = *% ′′′ 2 = * 2 = 4! = 2% ′′ ' = 2* 4 − 26 3 + 6 ) = * = *! = 3+ ! = 2 0 . * 2 % $ ' = 3+ 3 36 3 ′′′ + = − )+ ! = + % ( ′′ 0 ′′ ( 0 3 )+ ) 2+ 2 *+ /2 /* + * /* + *+ 2 2+ ) ! ! = 0 ! → . 0 = 0 % $ * = * ! 2 ! ! ! ! ∈ −2 ! ! $ = ! = " ! * = ∑ =2 = = ! L ! < 2 < < = ! ∈ −2 ! * − *! −2 *! 0 ! * = ∑ $ " 0 − =2 −2 = 3% = ! ! *! ( ! " ! *! ! * ≤ " ≤ " ! * '() ; +; 99 99 ' ! K $ /4 /) H 99 ;. ; 99 . . ! " $ $ ! ( 0 24* 24* 24* 2)* 2)* 2)* 2** 2** 2** 7* 7* 7* 6* 6* 6* 4* 4* 4* )* )* * ) ( 4 /4 # ! )* * /) ) 4 ( /4 " * /) ) ! 4 ( $ ( /4 /) "= ! 24* 24* 24* 2)* 2)* 2)* 2** 2** 2** 7* 7* 7* 6* 6* 6* 4* 4* 4* )* )* * ) ( 4 " ! *! ∀* /4 " /) * ( 0 ! = 0 ! → 4 /4 ! *! ∀* ! " ! *! ∀* ! " 0 $ )* ) ∫ ! = " ! ! *! ∀* ∫ " " 0 /) * ) ( 4 ! ! 0 ! ! * ≤ ∫ ∫ =* ∫ > ∫ + ! ! ) ; = −∫ ! ! 2 3 ≤ ≤ 4 ! ! ∀ ∈ ! <! ( + ∫ # ∫ 6 ≥* ! ≤ " ! *! ∀* = ∫ λ 0 − ≤ ∫ = ! ! ∫ ∫ + +∫ λ!λ ∈ ! ! − ≤ ! ( ! ! > 0 +∫ ≤ ∀ ∈ ! ! ≤ ∫ ∫ ! ! ( − ̄ ≤ ∫ ̄ → ̄! ' L →̄ ∫ −∫ ̄ →̄ 2: !1 6 = ∫ ̄ ̄! ! 0 − ̄ ≤ − ̄ → *! = ̄! # − ̄ → *! ! $ ∈ ! = − !# 79:/ #!: 6 /!6 =6 96 ! . = ∫ 0 ̄ ∈ ! − ̄ = # 0 0 →̄ 0 ≥ * ∀ ∈ ! ! ∫ ! 0 = λ∫ 0 ∀̄ ∈ ! 0 ∫̄ → * ∈ ! ′ ̄ = ̄+ − ̄ →* H →* ̄+ − ∫̄ ∫ ̄ → *! ∫̄ ̄+ ̄ = →* = →* ∫̄ − ̄ ⇒ → ̄! ∈ ̄! ̄ + ( = ̄ + ∫̄ ̄+ $ ̄+ ̄+ ′ = ∫ 0 = → ̄! 0 = ̄ 0 ′ = $ + = ∫ ! ! ! $ + ! $ ∫ # ∫ = + ! = *! 3 ∫ =− ' ′ = ∫ = *! = − $ <0 ! ! 0 ! = = − =∫ / ' =∫ / ' ′ 4 ′ 3 ′ ′ =4 ′ =∫ 3 3 ′ ) 2 ' ! ! = ! =∫ "! ′ ! = −∫ =− / ! =∫ / ! ′ 3 ! ! " 4 ) 2 3 4 4′ = ! E 4 + ! $ ∫ 0 ∫ = ∫ = ∫ ∫ 2− =− = ) ∫ + = ! ) )+ ) ∫ )− ) ∫ ∫ ∫ # ' / + = + − ) = ) + ) = ) − ) = ∫ ∫ 2+ A A+ = + = = ! ) ∫2 + + ) ) + + =− ) + − + ) ) − ) + 2 ) ) + ) + 2 ) ) − ) + # + 2 ) ) ! = ) + 2! =∫ =+ ! =∫ / G ∫ ) +2 /∫ ! 2 ) ) 2 ) ) ; + ! + = ) ∫+ 3 3 =) = 23 < - ) = ∫ ) +2 3 2 3 ! 0 3 + 2 + =+ ! 0 = + + =) ! 0 2 ) +2 = 3 3 ) + − ) ) + + 0 + = ) + 2! =∫ ) = ) 2 3 ) + ( ! ∫ ) + 2 ) ) / + ) ! / ) 2 ) ! !( ! < + ) 2 ) - ! 0 ; = ) ! ! / / G ∫+ ! ∫ G ∫ = ∫ + 1 $ = 4 + + + 4 ≠ −2 ∫ + ! +2 +2 ∫ ! 3 + 1 ! ! = 3 G ∫ ) 3 /∫ G ∫ 3 ! =∫ = ∫ 2+ ∫ = 2 + )! = ∫ ) = 2) ) ∫ 2− ∫ / = G ∫ ! = =∫ 2 = ∫ ) =∫ ) ! ) = / G ∫ ∫ =∫ 0 = ∫ ) ! = 0 − =) ! 2 + ) + 2 ) =∫ 2 3 3 = − 2 3 −) = −) ! 2 = ∫ −) 0 −2 ) = − = − 2 − = = 2 + ! 0 ) = 2 ) 2 ) =) ) + ! 0 =− ! =− + = − 0 & 2+ ) ∫ / ∫ ' ∫ = 2+ 3 ! ) = 2 3 2+3 ) =∫ 2 3 ∫ / ' ∫ ∫ 2 42+ 3) ) / ∫ 2 4+8 = = 3 ) 2 2+3 ) 2 2+ ∫ ∫ ! = % 0 0 3 2 3 = 2 3 3 + 3 ) 2 42+ 3) ) ! ) 3 3 2 2+ ) 2 4+8 ! ) 3 = =∫ ) 3 + 0 2 ! −2 ) ) 2− ∫ / G = = 2 − )! = − 2 − ) =3 3 ! 2 = 8 3 3 + ) 2+ ∫ / G 3 = = ∫2 − ! ) / G 3 2 8 3 =∫ 3 = ) 0 2 42+ ) ) −4 +> = ! 2 6 = % = 2 6 3 ) + 3 ) ) + 0 − 4 + > = − ) + 3! ∫ ) −4 +> = ∫ −) ) +3 = ∫ ) ) G ∫ = ∫ −) 3 32+ 2 3 ) 32+ −) = ∫ = 0 3 = 3 32+ ) −) 3 ) = ! 2 3 3 = 3 ! 0 −) + 3 3 & 2− ) ∫ / 0∫ ' G 2 ) ∫ ) ) ∫ = = 2 2− = 2 4− 2 4− 2 ) ) ∫ ) = 2 ) 42− ) ) 2− ) ! = = ! ) ∫ 2 ) 2 2− ) = ! ) ) 0 )+ # ! ∫ (! 0 ( = ( − ∫( $ ! # /∫ =− − − =− = = =− + )∫ ) = =− (= +) ) (= +) /∫ = = = = (= (=− =− − (= ) =) = − (=− = = ) (= = + − /∫ = = − ( ! (=− + ) ) − ∫− − − = = −∫ = + = (= = (= = − − = − ∫ − −∫ = = = −∫ + F F= 2 ) + /∫ 0 = + = = = (= ∫ ∫ %/ * = / 2 − ) / ! / = − 2 − ! ! + +∫ / − + − = 2 ) 2 − −∫ * ! * = / $ 0 * / ∫ * 0 ! * / − = (= 2 # * ! + − ) ) ) − / / $ / ! + 0 − + 2 − + / − + = 0 − 2 − −2 . 0 ∫ / * / = ∫ 2 4 3 − 2 + ) − ) + + − −4 )+ +2 + )−4 −4 ! $ ! 0 4 −4 ) ) + +2 + −3 3 + −2 ) −4 −4 ) + −3 −4 )+ +2 = −2+ ' 0 3 ) 3 + −4 −4 + )−4 −4 ) 4 ) ) ∫ 3 −+ 4) −+4 +− 24 = ) − + ∫ 3 + +) − −4 3− 4 ! 0 3 + ) − 4 − 4 = − ) + ) + 2! ! ) + −3 = 2 + ) + 3 = 3 −) +) +2 + )−4 −4 2 + ) + 2 + ) − ) + 2 + 3 − ) + ) − ) + ) + 2 F 0 0 4 + − 3 = 2 + ) + 2 + ) − ) + 2 + = )! 0 3 = 2) 2 ! = −)! −2 = 4 ) ! 3 = 2) 2 0 −2 = 4 ) ! 3 ) ' 2 = ∫ = 2 4 ! ) −3 = −3 3 = − 24 ! 3 = 2 3 − + −3 4 2 = −) + +)4 + +2 ! 0 ) + −4 −4 2 2 −4 ) + −3 =∫ 4 +∫ +∫ 2 = 3 ) −) +) +2 + −4 −4 −) − 24 +) + +2 + = + 2 4 −) + +) ) 3 2 4 − ) + ) = −2! −3 = −3 2 . ∫ 2 0 4 3 −4 )+ +2 + )−4 −4 = − + ) ) &/ + 2 # & 2 − + −) +) 4 + − ! " ) − ) + + 0 − ( $ /∫ + +3 +3 )−4 ) 3 ! 0 3 +3 . ) − 4 = − 2 + ) ) 0 + +3 = 2 ) + + = 3 − 2 + ) + ) ) +3 )−4 + ) ) + 2 − 2 + ) + ) − 2 − 2 + ) ) F 0 ) ) + + 3 = + ) + 2 − 2 + ) + ) − 2 ' = 2! + = 8 ! = −)! + = −3 ) ! +=8 3 = 4 −) 2− ) 0 + = −3 ) ) ∫ = = 0 + 8 ! = 4 8 + 8 ! =− + 3 4 8 2 ) '/ & $ 2 − ! ) − +3 + +3 =∫ +∫ +∫ −2 + ) +3 )−4 + ) ) −)+2 + +) 4 − 2 + 8 + ) − 3 −)+2 + = 8 − 2 + + ) 4 + 3 ++) + ) 3 = + 8 3 = 4 −) = *! = ) + )+ ! % + + + - 0 /∫ . 3 +) ) ;1 − 2) − ) +) 3 − +4 ) +) +2 +) +2 = ) ) 3 ) + + 2 + 2 + +2 0 0− 2) + 3 ) < − +4 = + ) + ! +2 +) )+) +2 + +2 = 6! = −+! = −) 0 ) 6 −) − + 4 ∫ 3 + ) ) + ) + 2 = ∫ + 2 + ∫ −+ ) + +2 ∫ 6 = 6 + 2 . 2C +2 −) . )C = −+ ∫ ) +∫ ∫ −+ ) + +2 + +2 ) F 0 3 −+ ∫ ) −) + +2 0 + +2 ) +2−2 −+ ∫ ) = −+ = ) ∫ ) + +2 + +2 ) +2 = −+ + +) ∫ ) 2 ) ∫ ) + +2 + +2 ' 0 −) ) +2 = −+ + +) ∫ ) 2 + ∫ ) −) = ∫ −+ ) ∫ ) ) + +2 + +2 + +2 + +2 ) +2 = −+ + 2) ∫ ) 2 = ) ∫ ) + +2 + +2 =− +) ) + + 2 + 2) ∫ ) 2 + +2 " # 0 2 2 2 = 2) ∫ = 23 3 ! 23 ) + 2 3 ) ∫ ) + +2 + 2) ) + 34 ' 0 ) − ∫ 3 + ) ) ++)4 + 2 = 6 + 2 + − +) ) + + 2 + 23 3 ! 23 ) + 2 3 H # $% & # $ = *! /G = )π ) " ! = ! = ! 0 ∫ − ! ∫ A A > ! ! ! 0 ∫ − $ ! ! = ! ! 0∫ 2 *+ * 2 ) 3 4 + 6 ( /* + /2 0" = ∫ / =2 + ∫ − π π * =4 )π = ) 2+ 2 *+ * =∫ = )3 2 3 ) − − ) 3 < = ! 2 +2 ) 2 +2 ) *+ 2 2! ! − −* − −2= = 2 ) 3 3 ) − 2+ ( )+ 0 − 2= + 3 = )− / ) = ) 3 ) 2 /3 /) /2 * 2 ( ) = 8 ) 3 /2 /) /3 = −)! = 2! 2 ∫ ) − ) − . −) = 3 / − = 0 ) 2 /2 + /2 * /* + *+ 2 ( 2+ /2 /) . 3 = ! − = *! = 0 ' 0 ∫ * "= 3 ∫ ) + − − − ) =− / ) 0 )! = − ) − 3 =) − * =3 +) 3 − ) − 2* 6 4 ) /3 /) /2 2 ( ) 3 * /) /4 /6 /7 $ 3 3 − ) − 2* = − ) + ) ! = *! = )! = −) 0 * 3 ) ∫ 3 − − 2* − − ) + ) + = −) ) +∫ − * ) + ) − 3 3 − ) 0 − 2* = )4 " !'( &(! " . $ ! 2 $ ! ! ∀ ≥ ∫ ! +∞ ( ! ! +∞ ( = →+∞ ∫ ! $ →+∞ ∫ ! 0 ∫ −∞ ! +∞! ! 0 $ = →−∞ ∫ ! ∫ −∞ +∞ = →−∞ ∫ + ∫* ∞ /1$ ∫* ∞ = →+∞ = − →+∞ ∫* = + 2! →+∞ ∫ −∞ +∞ /1$ 2 2+ 2 2+ ' ∫ −∞ * =) 2 2+ =∫ ) ) →+∞ ∫* +∫ ) 2 2+ * = − $ +∞ * 2 −∞ 2+ +∞ * 2 2+ +∫ ) . +∞ 2 2+ * = )∫ ) =) ) ( ( . ∫ −∞ ∫ ! →+∞ $ ) 2 2+ = ) * = π ! →+∞ ) 0 +∞ * 2 2+ E = % $ 2 2+ ) ! 2 *7 *6 *4 *) /4 /) * = / ' ) = 2 ) ∫ $ ! +∞ 2 ) 2 = 2 2 2+ ) = ) →+∞ =2 ! ) 0 ∫2 →+∞ 4 ( −2 −2 2 =2 3 )+ ) 2+ 2 *+ * *+ / α = 2! ∫ α ≠ 2! ∫ 2 ∫ $ +∞ 2 =∫ +∞ 2 = α α +∞ 2 = −α+2 →+∞ ( →+∞ −α + 2 − )+ 3 3+ +∞ 2 α > *! ! = ∞! −α+2 −α + 2 4 = " $ $ ∞ * −α+2 > * −α+2 < * α . ∫ +∞ 2 / = *! ∫ ' +∞ − +∞ − ∫ +∞ = = >* >* G $ $ ⋅ $ 2 G ⋅ α / $ ! 0 ! ! ∀ ≥ ! # ∫ $ +∞ # ∫ $ ! ! ∀ ≥ ! = α ∫ +∞ ∫ ! 3 +∞ ++ 4 +2 ) $ $ +2 $ ∫2 +∞ 2 4 + $ ∫) +∞ ) 6 −2 + 26 ) 6 2 / $ 3 ≤ 2 4 3 +2 +2 2 ⋅ $ 2 4 3 +2 2 $ ! 4 +2 ∫2 $ +∞ ) 4 3 3 +2 ) E 3 1 ) −2 ! + 26 α = 2! ⋅ α − − ≤* +∞ $ →+∞ − ! ∫2 2 ! 4 + α = 2) ! 2 ) $ $ $ →+∞ ! $ →+∞ G ≠* 3 4++ α = 3! / " +∞ ! ! $ →+∞ ! $ 0 +∞ ∫ / − " +∞ α>2 α≤2 α = <* →+∞ 0 +∞ = +∞! $ ! ! →+∞ − +∞ $ ∫ ∫ →+∞ * α≤2 $ $ = − →+∞ 2< ≤ )< = − ∫ →+∞ ≠ *! ∫ +∞ α>2 $ α →+∞ +∞ ∫2 α 3 4 α= 4 3 ! ∫2 +∞ ) 3 4 3 +2 # 0 $ / $ 2− ' ) # 2 ∫ ≤ 2) $ ∫ +∞ δ→* + ∫ δ→* + ∫ +δ $ +δ ! ! ∫ ! ! ∫ = δ→* + ∫ δ→* + 0 $ ( $ / = −2 − = ! 0 2 ! ( ! ∫* $ ) >* ! ) ! ( −δ 2− 2 ∫ 1 +∞ = ∫* ∫ *+δ = 2 δ δ = −2! ∫ −δ 2 $ δ→* + δ→* + δ→* + $ − 2δ = E = * 2$ ! $ 2 *! 2! ) 2 2 ) ( 3 4 + * /2 /) /3 /4 =) . 2 "=∫ = . = / 2 * −2 ) 2 − −2 δ→* + +∫ 2−δ * + = ) 2 2 −2 ) δ→* + − $ 2 −2 = 2! ∫ 2−δ 2 −2 ) δ→* + * ) = + 2δ − 2+δ δ→* + 2 + " 0 ∫ 2+δ ) δ→* + δ→* + −2 =* 2 −2 ) 2 −2 ) + 2δ = =∞ ! 4 3 ) 2 * 2 . ≤ ∫ ∫ ! α<2 α≥2 ! ! $ ! α≥2 α= − 2 α ⋅ 2 ) 4 −2 →2 2 3 ) ⋅ +4 α= 2 ) ' →2 4! / 2 − α ⋅ $ → $ − α ⋅ = ! $ $ → − α ⋅ = ! $ ! $ 2 −2 +2 ) +2 ! ! ∫* 2 ) )− $ 2 2− 2 2− ) 2 ! ) ) $ # ! 3− $# # ( ! 0 ! 4 −2 − 2 α ⋅ ! ! ! $ α=2 = )− ≥2 2 ) ! / G ) − ! !∫ ∫* $ ) − α ⋅ # ∫ ! ∫2 = 2 ∫ # ∫ + ! / →) ! !∫ ≠* $ G $ !∫ ! $ →2 − !∫ ≠* α<2 / $ 4 ∫ 0 G 3 <2 $ ! ! ) ( 0 7 6 4 ) * ′ =− . ∫* 3− −2 + = * ⇒ = −4 + 3 ∫ * ( ( = +∞ = →+∞ − 3− ) / =2 . ≃ 26 *76 ! ∫ ( 3− ( = 6 ( 7 ( 0 + 3 = 3 −4 ≃ )* *76 →+∞ 0 + 3− ∗ "⊂ " - ∈ ! δ = ∈ ∈ 0 δ > *! 5 ! < δ ! δ ! 0 δ>* ! δ ∩ " ≠ ∅ " ( "! !% " " " 1 " ∈ " " " ( ( ∈ - ! δ "! 0 ∈ " ) − " 1 % "! " ! " " 0 ! δ ∩ "9 ≠ ∅ " 0 ( - 3 − * = δ! ∈ "! "! !" " ! δ - " - 3− ! = 2 ! ) ! ! ! = 2 ! )! ! 0 ! = 2 − 2) + ) − )) + + ∈ . 2* 3 →+∞ * 3− − 4 δ>* !% δ>* ( ! δ ∩ " = ! - " ! δ / = ! ∈ ) < 2! * ≤ 5* ≤ ≤ 2 ∪ )! ) ) 2+ 2 *+ * ) 5 > 2! 2! ! * ≤ # *! * 2 ( 2+ ) *! 2 × *! 2! )! ) . ( 0 < * > 2! < * ! ≠ )! ) . *! 2 × *! 2! )! ) ! ≤ 2 ! . ! ∈ *+ 6 # = 2! )! ! 2 ! 2 ) = 22 ! ! ! 3 /. )! 2 3 2 )! ! ! 2 4 ! 2 ) ! +3 ! ) > 2 3 ! +2 ! ! ) +2 ! ! 2 . $ $ ∈ % 0 ∈ ⊂ → →$= ! ! ! $ = ! / $ ∈ ! ∈ 0 ) → ! 0 1 ⊂ ! = ! ∈ * ≤ $ ≤ ) / = 2! )! ! % ! 3) ! ! 2 ! ) ) → 4− ! 0 ) + ) ) + ) ≤ 4! 3 +2 ! 2 +2 ! ) 27 26 24 2) 2 *7 /) *6 * 4 /2 * ) ** 2 ) /) /2 2 ) $= ! $= ! ! = /. $ $ ! $ $ ! ! = /. ! = /. ! = /. ! = ) + ) $ ) + $ ) $ 0 ) + ) $ $ 0 $ 0 0 ) + 24 ) $ 0 ! ) → ) 6 ⊂ 0 ) → ! ! = ! 0 ! → ! > *! ( ' ! ! ! δ>* 0 ∈ $ ! ! ! →*!* )+ ) δ! *< ∗ ) )+ ) )+ ) ≤ ) ' )+ ) δ = ε! ! ⊂ 0 ) → ! ! → ! > *! ( ' ! →∞ ' > *! ( A ! − A < $ 0 ! ) ) ! 0 ! → ! + >* ) ! → ! = ! ! ! → ! 0 ) + ) <δ A ! − *A < ε! ∈ ( <δ ) = δ>* ∗ + ! = ) ! → ! ! 0 ! > ! ! δ ∩ > 0 " ! ! ) + ) ! ! = +∞! 0 ! ⊂ ) ! = ! 0 → ! = 0A ! − A < ( ! −* < ) )+ ) % =* ) > *! ( *! *! δ! ' ! ∈ ' ! ! δ ∩ ( / / / ∗ ! = ! 0 ! 2< ! → ! )< ! → ! 3< ! → ! 4< ! → ! ! = !∀ ∈ ! + ! = + ! ⋅ ! = ⋅ ! ! = ≠* ≠* . → / / /. ! → → → $ 0 ! ! ! ( ! ( ! = / →* →* →* →* ) +) ) 0 ! = ! = ! = *! * 2 =2 ) →* →* ! ≠ *! * )+ ) ) ) ) ) =) 1 ! →* →* →* →* 0 ! = ! = )+ 4 ) * →* 4 E ! = *! * * * →* =* =* ( 6 ' ! ! → ! ! ! ! ( → ( /. ( ! → ! ! ! ! ! * ! !% ! ! ! ! ! + − % →* / ( ! % ! → *! *! 0 ;*!*< ! ≠ *! * ) ! = / ( $# ! 0 = ( ! = / . →* = ! →* →* = ! ) = →* ) →* ) 4 4+ 4 $ ' ) ) ! = *! * * *! * =* 0 ;*!*< =2 ' ( ! ≠ *! * ) 4+ ) 3 ) 4+ ! 0 " ! = / ! ) ) ! = *! * 2 *! * = 2+ ) ! $ *! * . ) )+ →* ! ≠ *! * )+ ) = $# ) 0 ( 2 *+ /4 /) /4 /) * ( /* + ) ) 4 4 /2 $ $ = $# 2! * $# ! ! θ0 0 $ =! ! →*!* $ ! θ! = ! θ! ! " ! $ 0 ! 0 /" 0 !0 $ $ ' /" ) ! ! ! ! 0 ! θ! ! θ ! =* ! →*!* ! / - + ) - ! θ θ ) + ) ) = ! + = !) ) ! θ! ! θ ! → * 0 ! → *! θ! - ! →*!* ) 2 ) θ ! 0 θ = !) 2! ! ) → * θ ! → *! θ! ! →*!* + ) ) ) / ! →*!* ) ) ) - ⊂ 0 ) + ) + ) ! ) = ! !) θ θ! ( → ! ! → ! ) 0 $ 0 θ = θ ! 0 ! = ! → 0 /. ! ! ) /. / ⊂ 0 ) → ! ! ! ∘ / 0 → ! ! ! ! / ' ! →2!) ! →2!) 3 +) ! ) ! = 3 +) ) ! = 2! ) = 2* ! ) ) + ) = 3! ) θ ) ⊂ ) θ! !) ) θ ! →*!* 0 θ = 3! → = ) θ θ! 2 3! → * ! = * = *! *! ) )+ ) * ) + ) ≠* ) + ) =* ! . 0 ! → *! ;*!*< $ $ . ! 3 ! ≠ *! * ;*!*< 3 0 ! = / . ' " ! ! ! ! 0 % $ = ! ! 0 ! ( ! ∂ ∂ ! = ′ ! = →* $ . ! = . ∂ ∂ ! = / ∂ ∂ ∂ ∂ = 2! ) = 2+ !)− 2!) →* 2! ) = 2!)+ − 2!) →* →* *+ !*− *!* →* = ∂ ∂ ' 1 →* ! = = →* = = 2+ ) +) ) −+ 2 ) +)+ →* = ) −+ = ) →* >* 2 →* →* ) −2 <* *! * ( ∂ *! * ∂ + 0 ! ( ! 2! )0 ) ) + = ) 4 + = 4 ! = $ *! * = A A ! = = ! ! % ! ! $ 0 ! + − ! $ / ∂ ∂ ′ + ! − ! ) + ) ;*!*< = ( . $ ! $ ! $ . $ ! 0 ! 0 ∂ ∂ 2 59' )*. 4 1 0 59' )*. ( . % . % = ! $ = ! $ ! ! ! ! 1 ′ $ ′ $ ! # ! / # ! ′ $= ! $ ! $= ! $ ! ! ! = +− )+ % $ ′ ) ! ! ′ 2! 2 !( !! ′ 2! 2 ′ ∂ ∂ ′ . !$ /4 $ 3* 3* )* )* 2* 2* * ( /+ /) + 4 4 ) ( /2* /)* /)* 2! 2 = −) G $ = 6− ) . ′ 2! 2 = −) ′ 2! 2 = ) G $ = 4+ ) . ′ 2! 2 = ) $ . * ) /+ /2* ′ ' ! + /) /4 $ =2 0 $ − + = −) − 2 $ =2 0 $ − + = ) − 2 0 $ 0 =2 =2 2+ )+ 2* )* + /4 /) ) ( 2+ 4 * 2* /+ + /2* /4 /2+ ∂ ∂ ∂ ∂ $ =) ) =− ) ) ) ) $ = ! ! $ ′ $ 0 ∂) ! ∂) ! ∂) ! ∂) ! ∂ ) ∂ ∂ ∂ ∂ ∂ ) ! $ ! ∂ ∂ . ! ! ! $ ! =) ! = 0 $ $ =) ∂ ∂ =− ) 0 ) = −) M . M $ 0< "0 0 0 M = −) ⊂ ) =− 0 ! → ! = / 4 ) ′ . ) /+ / ! = * /) ! ) ! ∈ → ! ! ‖(‖ = ( )2 + ( )) = 2 ( 0 ⊂ 0 ! ( . ! = ′ $ 2! * *! 2 $ $= ! . ) 2 ) →* . − ! ) H !( = *! * = ( →* ( 2 ( )) 3 ) ( 2 + + ( 4) 3 →* . ! →* 2 ) = ( ! →*!* $ / ! /. / / 1$ 0 ! ′ ′ 2 ) 2 ) −2+ ! = →* ) −2+ ) ) ! = *! * * ( )2 ! ! ! ≠ *! * )+ 4 ( 2 ( )) = −) ) - * + ( 2 ! * + ( ) − *! * = ) ! ) ! = $ $ ( !( ! 0 $ ! ! $ − −2!2 2 ) !2+ ) + (2! + () − ! ! −2+ −2! 2 = →* ′ ! ! = / ( ( = ( 2 ! ( ) ∈ ) (2 ≠ * = *! * ( 0 () ≠ * * →* ) + ) 4 ) = 2+ ) 4 ! ! ! $ + ! + − ! − ′ ! + ′ ! + ) ! ! ! 0 ) → ! → ! ! = ′ ! ) ! + ′ ! ! ( $ ! ! ! = ′ ! =* 0 0 ! ! ! ! = ′ ! + ′ ! △ = + ! + − ! ! ! ( ! ! ! 0 + ′ ! ! ! /1 ( ) **3! > 888 - = 3 )! 7 . 3 = 23 M 3 ! = $ $ 0 ) 3 )! 7 ' 3 ! )! 7 0 ) **3! > 888 − )! 7 )! 7* **3! −* **2 = ′ )! 7* **3 + ′ )! 7−* **2 = ) * **3 + 26 −* **2 = * **+7333 ' 0 ) **3! > 888 )! 7 + * **+7333 = 4 **+ 7333 / ;)!2< ! = . $ )+ ) = 3 )+ ) 3 ) ) - 2 + ) + ) + ) ) ) = 3 + = ! ( + + ′ *! * ) ) θ! !) )+ ) θ 3 ! ! − *! * − ′ *! * ! →*!* ) )+ ) ! = *! * ;)!2< $ ;*!*< ! →*!* ! M !% = ! 0 ! ≠ *! * )+ ) * 0 ;*!*< θ 0 =! θ! ;)!2< ' 0 = θ =! θ! 0 ;*!*< "! $= ! ! * ! ! ! ( △ = + ! + − ! ! ! = ′ ! + ′ ! ! $ + ! + ′ ′ ( ! + ! + ! ! ! $ ! ! ! ( $ ! + ′ ! − + ′ ! − J # ! ( $ $= ! ! $ 0 ′ ′ $ = ! + ! − + ! − 5' : ) 2 ( 5' : ) ; 4 1 ' ,2: ,;) ' : ) 0 2 ; $= ! "! * ! ! ! $− ! = E ′ ! " ! − + ! − ′ ! ! ′ ! ! −2 $ ′ ′ ! =4 ! ! =) ! 0 0 − ′ ! ! − ′ ! ! 2 * ! ! ! $= ! =) / H * ′ ) + ) 2! 2! 3 ! 2! 2 = 4 2! 2 = ) 0 $ − 3 = 4 − 2 + ) − 2 ′ ′ + 4 3 ) 2 /) /2 /) ! ! L ' $ 1 ( - ( ∇ ! −∇ ! ! ! ! 2 ) 2 3 ) ! 0 ∇ ! = ′ ! ! ′ ! $ 0 ( = ( 2 ! ( ) ! 0 ′ ! ( 2 + ′ ! ( ) ( ! = ∇ ! ⋅( = 0 $ !# ! $ /2 * ( $ $ $ 0 ( −‖∇ ! ‖ ∇ ( ! ‖∇ ! ‖ $ ! ! $- ! ; ! ! # < / 2! 3 −2! 4 % $ $ ! = ;2!3< ) 2! 3! G − " $ $ ( 2! 3 $ 0 ∇ 2! 3 = 2! 3! 2! 3 = ) − ! − 2!3 = −2! −2 . 2! 3 −2! 4 −)! 2! $ −) 2 (= ! ′ + ′ ( 0 + 0 ( 2! 3 = ∇ 2! 3 ( = −2! −2 ⋅ ( ∇ 2! 3 = −2! −2! $ ‖∇ 2! 3‖ = ) $ 0 ‖∇ 2! 3‖ = ) E $= ! 2! 3 ′ = 2 + 2 + −∇ 2! 3 = 2! 2! ′ ! ! ′ ! ! −2 $ * ! ! ! $ $ 0 ! = ! 2! 2 = 3 E ! ;2!3< ! = )+ ;2!2!3< / H 0 −) + ′ + ) 3 ′ ! ! ′ ! G 2! 2 = +! $ = 3 + 3 − 2 + + − 2 $ 0 ;2!2!3< ;3!+!/2< 4 ) /) /3 /) /2 ( * /) 2 ) 3 ) /4 1 ) + ) + 3 /4 7 ∇ 2! 2 = 3! + =3 /) $ 4 4 ) ) ( ) 4 /4 /) * /) /) /4 /4 ) ( $ 4 . 0 2! $ → )! 0 0 → 2 2! ! )! ! ) 2 ! ! )! ! ! 2 ! ! . )! → 0 ∂ ∂ . # ̄0 "> ′ * ! / ) 2 2 ⋅ ∂ ∂ ) ̄! ⋅⋅ ∂ ∂ ⋅⋅ ∂ ∂ ⋅⋅ ∂ ∂ ⋅ ! X ′ K $ × + G − ! = 0 3 → 2! )! 3 ) ! ) / ̄ ! M ! = 3 ′ 2 !$5 → ′ ∂ ∂ 2 ⋅ → ! X ̄ = 0 0 ∂ ∂ ! M ! ! $ = ) 2 +3 ) − )$ G ! ! $ = ) ! 6 − )$! −) ! 2! )! 3 = )! 6! −4 X ′ $ ! ! . 0 0 ) ! → ) ↦ ! ! ( ! 0 → ) ↦ ! ( ! ( ! ! = ! ! ( ! ! 0 $ = ∘ ! = ! = ! ! ( ! ! $ 0 ′ ′ ′ $ ! = ! ⋅ ! 0 # ∂$ ! ∂ ∂$ ! ∂ = ∂ ∂ ∂ ∂( ! ∂ ∂ ∂ ∂ ∂( ∂ ∂( ∂ 0 ! ̄ ∂ ! ∂ ! ∂ ! ∂( ! ∂$ ! = + ∂ ∂ ∂ ∂ ∂( ∂ ! ∂ ! ∂ ! ∂( ! ∂$ ! = + ∂ ∂( ∂ ∂ ∂ ) 0 → → 0 ! = + ! )( 0 ! ( = $ $ = ∘ ! ;*!2< $ / 0 ( ' ∂$ ∂ ∂$ ∂ ) $ = ∘ ! = + ! = + !( = ) − ! = = + ∂∂( + ∂∂( = *! = 2 ∂ ∂ ∂ ∂ ' ∂ ∂ ∂ ∂ = ) ( ∂$*!2 ∂ ∂$*!2 ∂ =) ( =) ( + )( = ) ( ' ∂( ∂ ∂( ∂ )( 2+ ) )( G ! ' ∂$ ∂ ∂$ ∂ ' → 0 ) → 0 ! (! = $ = = 3 + ) )( − ∂ ∂ ∂ ∂ / ∂ ∂( ∂ ∂( ∂( ∂ ∂( ∂ $= $ + + ∂ ∂ ∂ ∂ ' ) ) !) − ! ) ) =$ + 3 ) ) − ! − ! ( = *! ' =* 0 = −2 3 + + ) !) − ! 3 = ) ) = *! = 3 ! ! 0 ) = 6+3 ) = $ ′ π) $ − π ) ! +) ) 0 $ ′ π) = − π7 3 = 3! ) + ) ! = 4! − ) ! ! ∂ ∂ ∂ ∂! 0 $ ! 0 + E ∂$2!2 ∂ = ) ;2!2< ! = 26 + ) ! ( −* *) = −* *2 = ) 3 ) + )() + ) = ) ) + )(−2 + 3 = )! ( = 2! = ) ∂ ∂ ∂ ∂ ! )( ∂$*!2 ∂ 0 ! = + () + $= ∘ + 3 ∂$2!2 ∂ ∂ $ = ∂$ ∂ + ∂$ ∂ ∂ ∂ ∂ ' = π) ′ $ = )! ) − 3 ;* *2!* 87< 0 =*! =2! =2!(=* 3 ! / ;*!2< $ =*! =2! =2!(=* * *2 + !( = ) − ! = + + = 2! = 2 ∂ ∂ ∂ ∂ ) − ) ∂$*!2 ∂ $ = ∘ ! = = )( ) $ E ) ! − $*! 2 − $* *2! * 87 $*! 2* *2! −* *) = 0 ! + 2+ =2 )( ! 3 − )( 0 / ) ) ' + ∂ = ∂ ∂! ∂ =− ) $ ∂ = ∂ ∂ ∂ =− ) $ $ = ′′ ∂ + ∂ + ∂ ∂! ⋅ 6! + 2 $ ∂ + ∂ + ∂ ∂ ⋅)+ 2$ $= + / ) ′′ ∂ ∂$ ∂ ∂$ ∂$ = ∂! 4 + ⋅ 4!! ∂$ = ∂ ⋅ −) + ⋅ −3 + − → ! 0 ∈ ! ′ + − ′ $ = 2 + ) ! ) ! / 0 ) → G = 2 + )! ( = ) 1 ∂ + ∂$ ∂( = ′ ⋅ ) + ′ ⋅ ) ( ∂ ∂( ∂ ( 0 ′ ⋅ ) + ′( ⋅ ) ∂ ′ ∂ ′ = ⋅) +) ′ +) ( ∂ ∂ ∂ 1 $ 0 ∂ ′ ∂ ′ ∂ ∂ ′ ∂( = ⋅ + ⋅ = ′′ ⋅ ) + ′′( ⋅ ) ∂ ∂ ∂ ∂( ∂ ∂ ′( ∂ ′( ∂( ∂ ′( ∂( = ⋅ + ⋅ = ′′( ⋅ ) + ′′(( ⋅ ) ∂ ∂ ∂ ∂( ∂ ! ( $ ′′ 0 $ ′′ = ′′ ⋅ ) + ′′( ⋅ ) ⋅ ) + ) ′ + ) 0 ′′ $ * = ) ′ 2! * + 4 ′′(( 2! * ' = − )3 ! ' = # = ′ ′′ (( 0 ⋅ )! ) +3 = * # ) ! =− − = ! $ ! ) , ,! 0 =* ! =* " ! ⋅) + 0 ! = *! < $ ; ′′ ( 0 $ ′′ * G $ ′ = ∂$ ∂ $ ∂ $ ′′ = # ' $ ! ! ( $ − $ ′′ = ) ′′ + + ) ′′ − $ ! ! ( $ ′ = ′ + + ′ − $ ′′ = ′′ + + ′′ − ! $ ′′ = ) $ ′′ $′ = $ ∂ ∂! ∂ ∂ ! ! ∈ ,! ′ ! ≠* 0 = − 3) 0 ! =* ! ! ! ! ! = ( = $ 0 0 ) → ( !$ $ ! = *! ′ = ∈ ! / " = $ = ! =* *= ∂ ∂ $ ∂ ! ∂ ∂ + ∂ ∂ ∂ 0 ! =+ 2! 2 % /' ! =+ . 2! 2 = * ' = 2! + ′ ! = *! 0 ∂ ∂ = + − 2* ++ − 2* ′ + ′ =− ∂ ∂ ∂ ∂ ++ + = *! =2 $ ′ ! =* 0 ′ =− ∂ ∂ ∂ ∂ +)+ = − −2* ! )+ 4 −2* ′ 4 2! 2 = 2+ ≠ * 2 = −2 0 − 2 = −2 − 2 . ) 2 /) * /2 2 ( ) /2 /) /. ;2!2< ! = 3 3 + ) + −) = * ′′ 2 2 ) ′ −) ′ 2! = 2 ′′ $ ' =− 0 =− 0 ′ 2 = − ) +) 3 ) + 3 4 ′ ( ! 0 ′′ =−3 = 2! = 2! =− ) 3 4 ! ! ! $ = *! $ ! = ! ′ ′ 4 −3 ) ′ ) +) 3 ′ −) 3 ! ! % ! ! $ = * ! ! =* $ $ 0 3 ) + −) ) 0 ′′ ) −3 + 2 = 2> 3) $ $ # ! $! # ! 0 $ = ! ! ! ! ! ! ! ! ! ! ∈ ,! 0 3 → !$ ′ ′ ! ′ ,! ( $ $ ! ! ≠ * ! " $= ! ! ! ! = *! ! ∈ ! ! = ! ! ! = *! 3 , / ! ! $ = * ! ! 0 ∂ + ∂ ∂ ∂ ∂ + ∂ ∂$ ! ∂$ ∂ ∂ 0 ∂$ = − ∂ *= ∂ ∂ ∂ + ∂ ∂ ∂ ∂ + ∂ ∂$ ! ∂ ∂$ ∂ 0 ∂$ = − ∂ ∂ ∂ ∂ ∂$ ∂ ∂ ∂ ∂$ $3 + $ + = * 2! −)! 2 G $ ;2!/)!2< ! ;2!/)< $= ! $ *= ∂ ∂ /' ) $ ! $ $ ! ! $ = $ 3 + $ + $ ′ ′ ;2!/)!2< ! ′ $ ′ 2! −)! 2 = * ! ! $ = * $ 2! −)! 2 = 4 ≠ * ! ;2!/)< 1 0 ∂ ∂$ = − ∂ = − $ ! ∂$ 2! −) = − 2 ! 4 ∂ 3$ ) + ∂ ∂ ! H ∂$ = − ∂ ∂$ ∂ ∂ ∂ ∂$ = − 3$2) + ! λ∈ 0 ⊂ → λ ∈ ) $ ∂$ 2! −) = − 2 4 ∂ 0 $ − 2 = − 24 − 2 − * ! + 0 0 λ ! λ = λ α ! 2 4 + ) α ′ 0 0 ! % # ∂ + ∂ =α ∂ ∂ ! ! ! = / 0 + −) − 3 ) α + % # + λ ! λ = λ + − )λ 3 λ ) − λ + = λ+ + − ) 3 ) − + = λ+ ! 0 ∂ ∂ 4 + ∂ = + − 6 ) ) + −4 3 − + 4 = ∂ + ) − 2* 3 ) − + + = + ! ! = 0 λ ! λ = )− ) = λ ) −λ ) λ λ )− ) % ∂ ∂ + −)− = ∂ ∂ α λ>* ⊂ ) ! ! ∂ + ∂ ∂ ∂ 0 2 λ +λ = λ) + *= ∂ ∂ *= ∂ ∂ ∂ ∂ ∂ ∂ + ∂ ∂( + ∂ ∂( $′ $′ ′ ′ $′ = 0 $ % α # =α 2 ) # ! $ = *! $ % # $ 0 ⋅ − ) + ⋅2+ 0 ! 2 ′ ′ ( ′ ! $′ ⋅ − $ ⋅ ) ′ $ ⋅ ⋅ ) ′ ( $′ = +$ ′ ( # $ ′ ( ′ ( +$ $′ + $′ = $ 0 = λ) ! $ ∂( = ∂ ∂( = ∂ ) ) % ! ′ ( + 0 =* ) )− ) ) % $ $ )− ) *! 0 $ + ! ' = (= − 2+ ) ) / . ) λ ∈ 0 α λ ! λ = λ ! ! / ! = λ > *! λ ! λ = → + ) )− ) ) 2+ 0 )− ) # = ! 0 ' 0 − − 2 ′ ′ ( ′ ′ ( =$ 2 ! ( = *! 0 ) 0 . $ ⊂ → ! ! ∈ ! ! δ + ! + ∈ ! ! δ! ( 6 + ! ̄ 0 + ! + = ! + ! + ! + + 2 6! ̄ ) + ) 6! ̄ + 6! ̄ ) ) ) ! ! + ! ! 2 ) ( ! + ! + 0 ∂) ∂ ) ∂) ∂ ∂ ∂) ∂ ∂ ∂) ∂ ) 6! ̄ $ 4 1 ( 2 ! * 2 + ! + = ! + ! + ! ! $ ! $ + G ! ! $ ( 0 *) + ! + = = ! + ! + ! + ∂) ∂ ) 2 ) ∂) ∂ ∂ H # ( ∂) ∂ ∂ ∂) ∂ ) ! ! ;D ! < L ! = *! * ! = *! *! ! = ! *! * = * *=2 . $ 0 ∂ *!* ∂ * = ! ∂ = * = 2! ∂ ∂ *!* ∂ * =− =− *=* ∂ ∂ . G 0 ∂) ∂ ) ∂) ∂ ∂ ∂) ∂ ∂ = ∂) ∂ ) ! = ' =2 + 2 + * + , ! ⊂ 0 2 ) − = − *!* ≈ *) ! = 2 * = 2+(+ * −2 2 * * −2 )− ) ) ) ) → ≤ ! ≤ ! ! ! ! 0 ! ∀ ! ∈ ! ( ! F ( H% ( *!* − ! ( ! Y / = ! ∈ ! ! δ ;J < $ ! ! = A) − − + ) − − ) ) A ) 53 ≤ ≤ >! * ≤ ≤ 4 ( 6 4 ) 3* * 6 + 2 ) 4 4 3 4 + 3 6 ) > 2 * 3 . +! ) = ) 1 ! ( ( ( +! ) $ ⊂ $ = ! ! ∈ ) 6 → ( $ $ 0 >! 4 = 6 0 6! 3! 4! 3! 6! 2! 4! 2 ! $ ∂ ∂ $ ∂ ∂ 0 $ ! =* ∂ ∂ > ! >! 4 ! ∂ ∂ + ! * 0 4 ! ! 0 ⊂ ! ∈ $ ! ) → $ # = ! 0 ( 0 ! =* . . $ ( L ! = 3−3 ∂ ∂ =3 ) + −3 ! ∂ ∂ $ 3 = −3 + 3 ) M = 3 $ ( ! H + ! + − ! = 6! ̄ ! ! =* 0 ∂) ∂ ) 2 ) ∂) ∂ ∂ ! $ ∂ ∂ −3 = * −3 + 3 = 2! = 2! = *! = *! 0 ) 0 ⊂ → $ ! ∈ ! ) ∂ ∂ ! = *! ∂) ∂ ∂ ∂) ∂ ) 6! ̄ + ! + ! 0 ) =* . ! → *! *! 6! ̄ → ! / ∂) ∂ ) △= / ∂ ) 6! ̄ ∂ ) ≠ *! ∂) ! ∂ ) / ∂) ∂ ∂ ∂) ∂ ∂ ≠* ∂) ∂ ) ! △ $ ∂) ∂ ) ∂) ∂ ∂ ∂) ∂ ∂ ' ! ! G + ! + $ $ ! ∂) ∂ ) ! 6! ̄ $ ! $ ! ! & ! ! $ ! ! ( ! = ! ! ● ● ● ● ! ∂ ) ∂) ∂) ! ∂ ) ∂ ∂ <* >* ∂) ∂ 0 ! =* ∂) ∂ ) ∂) ∂ ∂ ∂) ∂ ∂ ∂) ∂ ) ∂) ∂ ) ∂) ∂ ∂ ∂) ∂ ∂ ∂) ∂ ∂ ) ∂) ∂ ∂ ∂) ∂ ) ∂) ∂ ) ∂) ∂ ∂ ∂) ∂ ∂ ∂) ∂ ) / ∂) ∂ ) <* ∂ ∂ ! =* > *⇒ ! ( ! > *⇒ ! ! ! ( ( ! ! =* ! ! ( $ ! = ) − ) " ∂) ∂ ) ∂) ∂ ! K $ *! * = * ! ! = 0 ) *!* 2) −4 2) ) −4 2) ;*!*< ; <$ $ ! 0 + 4 ′ )* 2* 2* /) /2* /)* /)* ( +2 3 −4 ! ′ =4 −4 = $ 3 4 −4 = * 3 ! $ ) $ 4 ) $ ! 4 3−4 = * 0 *! * M 2! 2 M −2! −2 = 2) ) M = 2) ) M = −4 ) 2) −4 2) = 244 ) ) − 26! ) −4 2) −4 ) * /) /4 /4 /2* −4 =4 )* * ( ) ;*!*< % 2) ) −4 −4 = −4 < *! % * ) ( 4 4 −) * = ∂) ∂ ∂ / ;*!*< ∂) ∂ ∂ = 2)7 > * 0 ) −4 2) 2! 2 = 2) > *! ) = −26 < *! =*! =* ;2!2< % =2! =2 ! = 2)7 > * −2! −2 = 2)! ;/2!/2< % =−2! =−2 ! 0 6 + 4 3 ) 2 /) 2 ) / 2! 2 6 . ! G 2! 2! *! *! 6 −3 6 ! −3 −3 6 −3 6 *! * −3 −3 6 = )> * ( /2 ) /) /2 ! = = 36 − 8! 3 −3 + 3 0 2! 2 = 6 > *! 2! 2 % =2! =2 = −8! *! * % ! =*! =* ) 2+ 2 /2 /2 * + * /* + /* +( /2 ⊂ 0 ( ) *+ 2+ ) 2 ) → ! = *! ! $ 2 ( ! $ ! =* '(:4) 1 0 -'(:4)*< ! ! ∈ ! ! δ! ! ! δ ! = *! ! ! ! ′ ! ! ≠* $ ! 0 0 λ∈ ! ( ! =* ! ≤ ! ! ( ! ! ! λ = ! + λ ! ! 1λ ! ! λ 6 ( ' ! ! ! λ ! 6 0 ! ′ ! ! λ = ∂ ∂ ! + λ ∂∂ ! = * ! ′ ! ! λ = ∂ ∂ ! + λ ∂∂ ! = * ! ′λ ! ! λ = ! = * ! = ! ! ! λ = + λ) 0L . ! ′ ! ! λ = ! ′ ! ! λ = ! ′λ ! ! λ = ) ) +λ4 = * + −2 = * = 2−) ) ⇒ 4 ) = 2 . * 2 2) ! 2 ! − 2 ! * ) 2) ! − ) ) * 4 − 2) ! − ) ) 2 ) !− 2 ) ) 2 ) + ) ) + ) =2 . 0 ⇒ λ = −4 = −) ⇒ +λ) = * ) ) ) − 2 ! 2 ) ) ! * 3 − 2) ! 2 ) . ! 2 ) ) ! 0 ( ! ! λ̄ ! ( 0' ( . !% G . . ! = ! + λ̄ ! 0 ∂). ∂ ) 7 . = ! - $ 0 ∂). ∂ ∂ ∂). ∂ ∂ ∂). ∂ ) ( . ( $ ! . ! # 0 ! ! ! λ = ! + λ ! ! ! ! λ̄ △= ! ! ! λ ! ! ! λ ! ● ● ! △ > *! ! △ < *! ! λ ! λ * 0 ! !λ̄ ( ! ! ! ! λ = 0 + λ) ) $ 0 + − 2! ) 0 △= 4λ 2 4 2 )λ ) 4 ) = −3)λ ) + 26 − 26λ ) ! * % △* 2 = 7 ) > * 2) ! 2 ) ( △* ) = −7 ) < * 2) ! − 2 ) △* 3 = −7 ) < * − 2) ! 2 ) △* 4 = 7 ) > * − 2) ! − 2 ) ( $ $ ' % ! = *! ) ) + ) $ =2 ! ! ! = ± −) ) + 2 ! ! =± −) ) + 2 0 ' ′ % = = . −) ) + 2 − ) = *! ) −) 0 ) +2 = − 2) 2 ) $ ' $ / ( + ! = 2− $ ) =2 % 0 = 2− ) − 2 − ) = − ) ) +) *6 *4 *) /* + *+ ( 2 2+ * /* ) /* 4 /* 6 /* 7 /2 ′ G = −4 + ) = *! ′′ ' = −4 < *! = 2 − ) − 2 − ) ! + =2 $ 2) ! 2 ) $ = ( ( . 2 ) ! ) ! ′ ! ! λ = −) + λ = * ! ! ′λ ! ! λ = 2) ! 2) ! 2 $ 0 + λ + − 2 ! ! ! λ = 2 − − 0 ! ′ ! ! λ = −) + λ = * ) = ! + −2 = * − ) −) * 2 * −) 2 2 2 * 2 ) ! 2 0 =4>* 2) ! ' + 2) ! ! ! ! λ G 2 ) ( ! = 2− $ = −) + ) =2 ) − ) ) /) E + $ =2 /2 $ ) 2+ /) 2 /2 *+ * $ /*2 + ) /2 ! = 2− 2 ) − ) ) = 2) ! ( 2 ) = 2 ) 2) ! ( $ ! 5 ! 0 %< ! ; &< ! " < / = ! ∈ ∂ ∂ = ) − )! ∂ ∂ =4 ! ( ) ) 5 + ) ≤ 4 ( * * 2! * ! = $ 0 ) +) ) −) 2 ) 0 ' ! $ * * 2! * 07 = G $ ( ) ! = ) − 4 = *! ) ! ! ! λ = + ) ) − ) + λ !′ = ) − ) + λ ) = * % + ) ) * * 4 ! ( + ) − 4 !′ = 4 + λ ) = * ! ′λ = ) + ) − 4 = * * 2 )! *! − 2) ! * ) −)! *! − 3) ! * 3 −2! 3 ! −)! * 4 −2! − 3 ! −) ' ! 0 ! ! !λ ) + )λ * ) △= ! ! !λ = * 4 + )λ ) 0 ) ) * !λ !λ * △* 2 = −47 < *! △* ) = −26 < *! △* 3 = )4 > *! △* 4 = )4 > * * 2 )! *! * ) −)! * $ * 3 −2! 3 ! * 4 −2! − 3 ( $ ' " $ $ 2! * = −2! )! * = *! −)! * = 7! 2! 3 = 8! −2 2! − 3 = 8 ' 2! *! ( 8! −2! 3 ! −2! − 3 = 1 < 0 ) + ) . . = $ / =2 ! = ( 0 0 ! ! ! λ = ) + + λ ) + ) − 2 ) + ! 0 ! ′ ! ! λ = ) + )λ = * ! ′ ! ! λ = 2 + )λ = * ≠* =* ) + ' ' ! ′λ ! ! λ = ) + ) )3 ! 2) − )3 ! 2) λ = −2 2 *! 2 λ = ) *! −2 λ = − 2) ( 0 −2 = * $ ! = M − ! 2) = +4 *! 2 = 2 M *! −2 = − 2 . )3 ! 2) − )3 ! 2) 3 ) . 3 ) + 4 2 ) $ ) + ) −2 = * ) $ = 20 ) + = + 4 ! ) *! −2 ( + = −2 ( ( . ! ! ′! ! =* ;!/ < = $ $ $ =* K ! ! ′! ! / =− ! L K 20 ′ = ′ 2 ′ = ! ′ $ ! % 0 = ! ; ;. ! ! = *< = = ! < $ $ ( $ # ' - $ ! $ K 0 ′ = ! = ′ /. =4 ! & 0 =) 0 $ ! ) + . 3 ) 2 /) /2 * 2 ( ) /2 /) /3 ' $ =) H ) $ ;*!/2< −2 ! ! ' K ′ $ = ! K ! ! ! G # K! % ′ / =) ! = ) + $ 6 4 4 ) ) /4 /) * ) ( 4 /3 /) /2 * 2 ( ) 3 /) /) /4 /4 /6 / ) =) )+ 0 ′ . −) = * $ . 0 3 4 ) ) /4 2 * /) ) 4 ( /) * /2 ( ) 3 /2 /) /) /4 !(&" 2 $% $!& " ! $! " ! ( " ! ( ! /= ! ′ $ ! A A= − A A+ ! . /= ∫ *! 2 0 = − ! = ;*!2< ! 0 . + ! ! =∫ = 0 = ! ! ! # ′ ( /= E ′ = ′ + $ + = ′ ) ) % 0 /= $ ′ = = + % ′ + # = ! ! ! = ( ! ) = ′ F 0 ) + ! = A A= 0 ! ! - ! 0 % ∫ $ ' . = −∫ 0 = 0 ′ $ ! =− $ ' = 4 ! ! = − + + ) G = − A A+ $ ) ! ) = = ! 0 > *0 − 2 = A A+ ! E = G − + ! = 2− 2+ = ′ + = ′ ! $ 2+ 2−) − F − 2) − 2) −2 + ) + % −2 + ) ) + = ) ) ) A A+ 0 − A A = $ ! 0 − ) ! . ′ . < < - ! . ( <= $ =) <H ′ ) ′ $ ′ = − + + ) − −2 + +) + + = ) ) ) ) ) = −) ! + * = / 0 = + ! 0 ′ ! + * = *! ( ! ′ ! ! + * = / * ! - ! - /= 0 = ! −) = 0 =* ) ′ ) ) ) = − ) = - ∫ = ) ∫ $ 0 ! = ! A A! = = = 0 . ! ) ! ! ) + ) ) A A 0 ) A A 4 ) /4 * /) ) ( 4 /) /4 /= <= <H ' ′ $ = ′ ′ $ = − = ⋅ ⋅ + ′ ) ! 2 = *! 2 + = = 2) + = ) 2 ) 2 4 = + 2 2 4 ) ) 2 0 + 0 = 0 2 + 2 ) 4 + 2 ) 2 / $ ( η=− 6! + 2+ η= $ ′ K ′ <= ′ $ + =* 2 <G =− ) ) − ∫ 3 3 % G = − 6 ) ) 0 ∫ 0 − 3 = −) − 3 0 = =− 0 − ) 3 ) 3 ) − − ) 3 0 = 27* ! ) + 27* ! $ −) − !/ # 3 ) 0 ! H 6 = 2+ = −2) − 3 + ! = & =− − 0 = ′ + 2 = −2 − $ = + ) = 0 2 −7 −8 −6 −7 > ! + +> = 2) )7 4> +) )7 )) −2 −2 −2 * 2 * * * 2 ) 3 * = 2 * = −2 −2 −2 * * 4 * 2 * * * 2 = −2 −2 −2 2 3! 30 3 ! X $ 0 < + ) = ) + ) + ) < + − = ) − + − ) < + = + < + = + ( ∈ )×2 ! ∈ 2×3 ! ∈ 3×2 F ! $ ! 0 ′ ′ < < < < < < ′ ′ ′ ; 0 < ) $ 0 A A ≠ *! A A ≠ * ; ′ −2 $ <! # ; = < ; = ′< ( 0 ′ = − − −2 ′ + + −2 − ′ + * ! 0A A ≠ * = = NI # A A = *O ' + = θ; < $ ' , G $ ! $ ( ' 2 2 2 * * * * 3 2 * 2 * * 2 * * 2 ) - G % $ %= 3 ) ) 2 % = ! = 2 2 2 2 4 2 3 ) −) 2 3 3 * 2 ! 3 ) 2 * 4 −) = ! * ) −) 2) * 0 2 −) * 2 = %− % = %. * 2 * * 2 ) * 2 * 3 −2 −+ 3 = ! 2 ) 2 ) * 2 * 2 −) = 2 7 )* −33 7 −2 −3* 0 2 * 3 + ) 2 4 * −3 ! 0 + = * *= = / − ) * ) /= ) ) * * ) 4 * ) ) − ) * * ) ) 4 6 ) 0 %% = = 2 * 2 2 G = 4 3 4 6 % 8 3 * 0 %& G −) 8 = 2 ) % + %′ + ! 6 6 8′ = 8 = 0 ) −2 2 * 2 3 * −2 ) 3 + −) −2 4 8 ! + * 2 2 3 * ) 6 * 2 −2 * 3 3 −6 2 2 2 ) + 3 ) 2 + −2 2 7 4 −3 2 %' - 3 $ * $ % %( - ! / $ ' = /* ! 3 F ! $ 0 22 *= 23 24 >> 82 87 2) 24 2+ 23 2+ 26 *= 8 2 2) 23 = > 7) 22 2) 23 2* 22 2) $ = /= 1 %) $ ! / * − $ /* − 0 8 3) 23 24 /= )> 33 27 2* 8 7 3 + 2) )+ 2> 2 ) 3 4 2 4 ) 3 4 + 4 8 26 )+ 3 4 + 6 8 26 )+ 36 4 + 6 > 26 )+ 36 48 0 %* 2 2 2 2 ) ) ) ) 3 3 3 3 0 %+ + − %, = 8 26 A − $ +) ) −) ) A=* − − ) ) + − ) −> −6 = 2) 2* 0 %- $ = 2! + * 3 2 2 2 $ 0 3 3 3$ + + + * 3 2 * 35+ 2 2 2 2 2 &. ' ) ++ +2 2 $ ) +2 )$ + 3 $+2 0 + + < &% F < A + A=A A && ' &' &( G +$ ∈ + =* < A + A = 3)A A ) =− < 2 ) 3 2 ) 3 2 ) 3 ) = ) ) ∈ < A + A = )A A $ $ 0 +0 2 2 2 2 2 * 2 2 ) −2 3 −2 2 ) 3 * ) 2 4 + 6 * 2 2 ) > 7 ) * * * * 2 0 &) 2 − ) + + ) − ) 2 4 2 − 3 ) + 2 + ) − 3 ) 2 2 2 + ) + + ) 3 + ) − 3 ) 4 − ) 3 − ) ) − 6 3 3 3 3 3 4 − = −) + − − 3 = + 4 = + 2 = −2 = = = 2 3 2 &* - !N O N' O "! &+ $ " ! &, " +$ = ) + + < &- = < + $ −3 + + $ = 4 − + $ = + + ) = −) $ − + )$ = 2 + +) −$ = − 4 + < +$ = + $=2 + )$ = 2 − + ) + 3$ = * =* − $ = −2 3 + +$ = +) = +$ = 2 < =2 3 − + ) − " $ ! ∈ ! $ 0 < ) $ = −3 = ! + # J 0 + )$ = * − + ) + 3$ = 2 =* + )$ = * < − + ) + 3$ = * =2 / '. '% " ) ′ ′ ′ $ 3 / ! ! $ + ! ! $ = + ! + ! $ + $ / α ! ! $ = α ! α ! α$ α∈ 3 N '& $ '! +! ×> ' $ < θ = θ! ∀ ∈ > < *( = θ! ∀( ∈ ' < ( = θ ⇒ = *! ( = θ '' '( ') '* '+ ', 0 / ! + ! = + ! + / α ! = α ) ! α ) α∈ ) N ′ ′ ′ ′ ′ ′ O 0 ′ $ O 0 < 2! )! 3! 3! 6! > ∈ 3 < 2! )! 3! 4! +! 6! >! 7! 8 ∈ 3 < 4! *! )! *! 3! 6! 7! −8! −24! *! *! 2! 7! 8! 2* ∈ 3 < 2! )! −2! −)! )! 3! *! −2! 2! )! 2! 3! 2! 3! −2! * ∈ 4 < 2! *! *! )! +! *! 2! *! 3! 4! *! *! 2! 4! >! )! −3! 2! )! + ∈ + ! (! ) $ $ '! +! ⋅> 0 < ! (! + )( < + (! − ( + )! ) + ) ! " $ ∈ ! $ 0 )! ! *! +! −2! ! 2! −3! 2 ⊆ 3 4 G $ 0 < 2! )! ! )! ! 3! 6! +! 2! 3! )! 2 < 2! ! 4! ! )! 2! −)! 3! 2! 3! )! 2 $ $ 0 2! 2! *! ! 3! −2! ! −2! −3! +! ! −4 3 $ % $ $ 0 ! 4 < < '- ' 2 2 = )! 2! 2! ) = 2! 3! 2! = 2! 2! 2! ) = 2! 2! )! 2! )! 3 $ 2+ )− = −)! 2! 3! = 2! 2! ) = 6! 8! 24 3 = 2! )! 3! $ ' # 3! ) + 3! 2 + 3 3 3 $ (. 3 (% ( 2 ! ( ) ! ( 3 ! = 4( 2 + ( ) + ( 3 ! = 3( 2 + )( ) − ( 3 ! ) 3 <' 2! )! 3 <G ( 3 < ∈ 2! )! 3 2! )! 3 ) $ 0 ′ = 2! 2! −2! ) = )! 2! *! 2 ( 2 3 $ 2! = )( 2 − ( ) + ( 3 ′ (' $ < < (( N = = = = ! ! ! ! 3 )! 3 G ′ 3 "2 ") "3 "4 )! ( 2 ! ( ) ! ( 3 2 ! ( 2 ! ( ) ! ( 3 ! % (& () 3! $ $ ! 0 3 ! $ ∈ 5 + ) + 3$ = * 3 ! $ ∈ 5 − = ) ) ∈ 5 = * ! $! ∈ 4 5 = α + β! = α + β − γ! $ = α! = γ! α! β! γ ∈ 9 = ! ! *M ! ∈ ⊆ 3 ' 9 $ 9 0 = 2! 2! *! ( = 2! *! * = )! −2! *! = −2! −2! * α! −)α! *M α ∈ $ ! . = − ! *! ! + M ! ∈ ⊆ $ % ! 3 $ O # % 4 G . )×3 ! ( 2 = 3! )! −2! ( ) = )! +! 6! ( 3 = 2! −3! −> . < (2! ()! (3 > 0 <? . < (2! ()! (3 > < N' $ ( = −3! −)! 2 O ND $ ) = 2! 2! 3O < N' $ ! $ = ! *! 2 .O (+ $ = 2! )! 2! ( = 2! 3! )! = 2! 2! *! = 3! 7! +! $ ( (* $ 3 " 2! *! *! )! +! *! 2! *! 3! 4! *! *! 2! 4! >! )! −3! 2! )! + ($ (, + 0 $ $ ( 2 = 2! *! 3! −)! 2! ( ) = 3! −)! −3! 6! 8! ( 3 = )! −2! *! )! +! ( 4 = +! 4! >! )! 3! ( + = 4! 2! )! 4! 6 4 ). 2! )! 3! 4 $ $ 2 + ) + 3 + $ 2 −) ) − 3 − 4 = * )% 4 = ! ! $ ∈ <' 4 < <G ! )& " = ! ! $ ∈ 3 )' " 2 = 2 ! " ) = 2 ! 3 $ 53 − 3 = *! ) + $ = * $ 4 ! 5 + )! 3! 4 ∈ ∈ 4 5 4 5 2 2 = *! + G )( $ . = α + β! )β! β ∈ = )γ! γ! γ ∈ 7 = ! ! $ ∈ <N .+ <G )) )* )+ ), )- . = 3 ! 3 3 3 ! α! β ∈ !γ ∈ ! ) − 3 = 4 =* 4 2! 2! −2 3 ∩4 = *! + $ = * 3 )! 3! 4 $ 4 4 ! = *! ) +4 "! = * "2 + ") "2 ∩ ")! 3 0 ! 5 ) − − $ = * .∩ ! ! = *! *! *O . + ∩ 7 3 0 = . < 2! 2! ! 2! ! 2! ! 2! 2 > 4 = ! ! $ ∈ 3 5 $ + = *! = * < " $ <G ! ! 4 3 <1 <K +4 = −) " $ ! 3 0 " = ! ! $ ∈ 3 5 + + $ = *! + + $ = *! + + $ = * $ = 2>! +! 4! )! ′ = +! 2! >! 3! ′ ! ! 3 = 2! )! 3 % ′2 ! ′) ! $ 0 ′ ′ ′ 2 = ) 2 + ) + 3 ) = 2 +) ) + 3 3 = 2 + ) +) 3 3 ′ <' % $ ′ <G < $ (′ ′ 2! 2! 2 G $ $ 0 ′ 3 = ) 2 * = 4 3 23 * ) −2 = * 2 −3 * * −) ) + −3 −2 3 * −) ! *. $ !% 0 2 ) 2 3 4 1< + ) 3 −4 < −2 2 2 ?< * 3 ) 2 * 2 * 4 −7 −) 2 ) 2 ) + −6 4 6 −8 < ) 2 < 3 6 −7 2 2 2 2 −2 −2 2 2 −2 2 −2 2 −2 −2 2 2 2 2 2 2 2 2 2 J< 2 2 2 2 2 2 2 2 + 6 −3 = *% −2 * 2 2 ) −2 G ! = *& $ 2 ) −3 2 2 ) ) ) ) G ! ! # *' G 0 = 2 * * * 2 * * * 2 $ *( ! 0 ! − 2! ! −2! ) ! ! 3! 2 $ = 2>! +! 4! )! *) 2 # ** 0 ′ = +! 2>! 3! 4 $ = *+ > −) = ) 4 4 7 2 = −) 2* −) 2 −) G 2 * ) 2 * 2 −) > 2 2 −2 * 3 2 2 = −2 * −2 * * 2 ) * 2 2 $ *, ! 2 2 2 2 = *- +. G * * * 2 * G −) −4 −2 ∀ ∈ /# = +% H 6*R ! 8 2 0 * > −6 = ) ) 2 2 −2 4 = * * ) −) ) * 4 2 −) + 3 −4 2) $ )*R! : 0% )*R $ $ 0( = 2 $ *6 *) *) 0 %0 80 :0 * −2 * * >*R % )*R 8 2*R : 6*R % )*R 8 )*R : 4*R % +*R 8 2*R : & ( = . *> *6 *4 *) *) *+ *2 *) *2 < NI < NG & O (O " $ = +& +' +( G 2 * * 2 * 2 * * 2 * −) 3 * * 3 ) ) ) −2 + * 2 * 4 / ! ! $ = < <K < ) −2 4 2 ) 2 + ) 4 * * 3 * + 2 2 * 2 ) 2 2 2 = 2 2 2 2 2 2 ++ 2 ! # −3 2 2 −+ * ) * ) −6 2 ) ) 2 /0 3 → /′ 0 3 → ! 0 ) ) ′ + ) + $ − ) − ) $! / ! ! $ = + + $ − − $ ( / /′ ( +* <G < < < < * 0 2 ) 3 2 4 −2 2 2 2 −2 ) * 2 * −2 ( 2 −) $ $ λ = *! ! ! $ ∈ 3 5 = *! + $ = * λ = 2! ! ! $ ∈ 3 5 − ) + $ = *M ( ! 0 2 −2 +) $ ( $ $ ( 0 < / ! ! $! = + +) −) +) −) $ ) < / ! ! $ = + ) − $) + ) $ + ) $ ) ) < / ! ! $ = ) +) ) + $) + ) −6 $−6 $ $ +, * = 2 ) 2 ) 2 ) 2 3 2 6 −2 6 −2 6 O / ! ! $ = ) + $) − ) +) $!G 7 8 0 + →∞ + →∞ →∞ →∞ →∞ →∞ →∞ →∞ 3 3 ) −+ →∞ + 2 − →∞ →∞ % →∞ ) +) −6 +) 7 −4 3− +2 ) −2 3 @ ) ++ +) ) ++ +6 ) −) −2 2+ 2 3 ) →∞ →∞ − 3 ) +2 3 ) +4 ) −2 2 )+ 3 −2 +3 −+ +) +2 +) +2 − ) +3 +) +2 ) + 3 2 3 +) ) + −2 +2− →∞ →∞ 2+ ) ) 2 3 −2 3 2 3 ) 6 =− 2 6 =) −2 3 ! 2 ) ) 6 <N <G < 2 3 * 0 +2 ! →∞ →∞ →∞ →∞ →∞ 4 ) +) +2 →∞ →∞ ( →∞ →∞ ) + 3 4 2+) 2 ) + 3 3 ) →∞ →∞ 2 ) )+ ) +2 −2 2 <∑ ∞ <∑ =2 + 2 ) + 2 2@+)@+ + @ @ ∞ <∑ )+ =2 ∞ =2 + 2 2 ∞ <∑ ∞ <∑ 2 ) =2 →∞ →∞ 2 ) +) ) +3 ) + + 2+ + ) + 3 ) 2 +) ) + + 2+)+ + ) +2 3 +2 ) ++ )+ ∞ <∑ @ ) 4 ) @ 0 !*≤ =2 ≤2 0 ,& = −3 = ,( +2 0 =2 ,' +2 +3 ) +3 2− ,. ,% ! +) +2 $ 2+ < = − ) = 3+ 3− = 2− < = < = 0 = ) +2 3 2 −2 0 < = + ) ) +) −2 →2 →* 2 + →∞ (( ) −3 4 −4 3 3( ( ) −2 →2 ,) . +) +3 − 2 →2 2 2− →∞ + − →* →* →> →* →* − 2−3 3 − − ( 2 ( )− −3 ) −48 3 − ! 3 2+ −2 0 = 2+ − " $ = 8 3! 1 3 +4 = * *2>)! 28** . " ! & 28** ( ! 286*! 1 $ ,* ( = ,+ ,, < =A < = ) − 2A +2 ) ) < = $ 2 −2 =2 0 ≤2 >2 − − <2 ≥2 0 = $ ∈ 5$ ≤ ;. $ < = + 2+ ) < -. G $ /# )− < = )+ < = -% = −)! )! ( $ $ ( -& . $ 8** *** 2*** -' ! ,- = 2! 2 2+ >R 0 = 0 2 −2 = 3 ) < $ + 2< −2 < = −4 +2 ′ $ $ # 6**0 25) 2*** 2+ 2− = *! $ ! . H 0 $ $ ) **) 3 3 ≈ ) >27)7 = ( -( -) -* - − 26 = 3 − 2 ) 3 ! " = 2*** −3 4 ( $ $ ( $ < ; = 3! ( 0 +* $ $ < *! 3 ! $ 0 $ ; = − 3 <! ( -+ $ 2**** ⋅ -, . = -- - $ 3** ! N1 −* *2 ( % ) −0 ( # Z ! " & $ ( $ $ 0 = − +* ) + 2** + )8>+! $ !; ! < 2 + % ) < %.( N < = ) < 2 + < = − < =A A 2≤∫ 2 () * (≤ $ $ ! ∫ = = 3 ∫ 0 =) = O 2! 3 ! 0 ∫ ) = % $ ; $ $ −2! 2 %.+ 1 %., G ≠) ) %.) 0 = *! ! =) * =* H H 2! 3 = ! *2 $ = −) & <! # − 2) & ! % %.& %.* ( )4 7>) Z $ ( %.' $ O %.. %.% ! 2 * 2! )! = − ∫* 2 ) − *! 2! 0 ∫ )π * 2*+6 G $ ′ 2! )! $ $ % $ %.- =∫ $ %%. < ∫ %%% %%& − ) 3 +2 +4 3 −4 ) ++ ) < ∫ 7 ) + −) < ∫ π * 0 < ∫ −) = $ ) > 3 ) = )− ) +4 +) 3 =4 ) < ∫ +6 0 ) 4 −3 +2 −2 −) ) −3 ) −2 < ∫ 25) 2 ) 2 ) ) −2 $ ! = −) % = =) $ ∞ < ∫ * UO %&% <∫ <∫ <∫ $ ∞ − −∞ $ ∞ < ∫ − * <∫ ) $ ! $ ∞ 0 ) = 2 ) 2 * ) −2 <∫ ) * 2− $ <∫ ∞ −∞ 2+ $ * 3 ) +2 = ) −4 %%- N %&. ) ! %%* G < ∫ < ∫ ) +) < ∫ 3 < ∫ %! %%, 0 < ∫ %%) ) < ∫ < ∫ + 2 ) ) < ∫ %%+ < ∫ )+ − 4 ) 3 < ∫ < ∫ )+−8 ∫ < < ∫ %%( G 4 +) + < ∫ %%' < ∫ ) ++8 ) 2+ ) <∫ 0 ′ ≥) 0 < ∫ 3 <∫ < ∫ ) 8+4 ) ) 3+ ) ) <∫ 0 0 2 2 −2 3 <∫ ∞ −∞ <∫ 2 * ∞ −∞ 2 2− )+ 2 ) +) +) 2 + − = %&& N = 4O 7 %&' = ! = ! = ! = ! = ! < < < < < ∈ ∈ ∈ ∈ ∈ ) ) ) ) # %&( G ! ( ! ) −+ 3 + ) +) −6 < 2+ < ! 2 )+ 2 ! +2 − < 2 + < 2 ) ! 2+ ! 0 + ) ≤ ) < ) ! 0 ) ! 2 ! 2 ! ∈ ) 2 3 2 ! ∈ ! ∈ 2 %&) G 0 ! = + ! = 2− ! = 2 ) + ) −2 ! = ) + %&* = *! * %&+ ! = ) 9*! * ' 0 + − + ! = %&, ! = %&< < ! = ( ! ≠ *! * )+ ) *! * *! * ! = *! * 2 ! ≠ *! * ) )+ ) ! = *! * * ) = ! ∈ ) 5 − 2 ) + − 2 ) ≤ ) ! = < <' ) → =* * 0 %'. + 2− ≠* + * ) → 2 4 ' 0 ) ) ) ) + − ) 2 ) =* 8 ! ! ∈ − ! 8 ! ( ! ) + ≤ 4 = ≥ *! > *! > *! < ! ) ≥ ! U −) ) ) 5 5 5 5 5 ) 2 3 ! ≠ *! * ! = *! * "= %'% ) + ) + ! = *! *! = 0"→ 9 ! * ' ) 0 " ) ) < ! = ) ) / ) / −3 ) %'* O < # ) < 3 ! = ) 0 %', ) ! = *! * * → 3− 3 0 ! = ′ )+ ) * ′ ! ≠ *! * ! = *! * < ! = %'< <N <- *! * ! ≠ *! * )+ ) <G < 2! )! *! 2! ) 2 < ! = + ) ! ! = *! * * + 8 ) $ ! ≠ *! * )+ ) ) *! * !% 8 ( %'+ < ! = 2 +2 0 + )$ ) + 4 $ $ $ 2! 2 N < ! = ! =2 O 7 $ < + ) ) 3 4 ! →*!* *! * = * ! 4+ 4 ! *! * = ) N O 2 ! * = 0 ∀ ! ∈ ) ! ! ≠ * N $ %'' 0 ) → %'( ) 3 < ! = 4 + 6 ! *! * = * <) ≠* *! * %'& %') G < ! − ) = * ≠ − )! ) ( 2! −2 2 )+ ) * $ *! *O ! $ * 8! −* 8 ! ≠ *! * ! = *! * ) ( 0 ! = %(. < < %(& %(' ′ ! = ! = %(( %() G < < %(* N ( %(+ G < 3 )+ ) + ) + ) − )+ ) ′ ′ ! ′! ′ + ! ′ < ! = )+ ) ) ) ) ∀ ! ′ + ′ + ′ $ =* 0 + = ′ ! O 0 + ) *! 88+ )!*+ ! %(, ! $ %($ 2* !$ 0 3 ! = )** − ) + 4 + + 1 $ $ 2)* %). ' ! = 2! )! <Δ = 2 Δ = ) %)% ! ! ! ! * = ! ! ! =* ! ! $ = $ − $ − − ! $ ! = < ! = ! = + $+ $ ′ ! = ! = ! = *! * * *! = − ! ∀ ! ∂ ) *!* ∂ ) *!* ≠ ∂ ∂ ∂ ∂ ) ! ≠ *! * )− ) ! = )− ) *! * ! = *! * * → ) 0 %(% ! ≠ *! * )− ) 2)2** ! $ 22* ! !% 0 < Δ = *! 2 Δ = *! ) " ! $ $ N %)& % # % ! = 2* ( %)' G $ < ! = < ! = ) ) ) ( + 2! ! 3* % % ! $ = O % 1 = ! + ( $ ( ( ( % 0 M =! =! ′ π5) α α M ′! ! ′ 36 = 3! ) + ) < ! ! $ = $ $ = ! (! $ G ) $= + () %)( %)) %)* %)+ $ !( = ! ! !( = ! → )! ) → ! ! = ! G ) $ # ) 0 ) → )! 0 ) → ! + ! ! = + ) ! *! * 0 3 ) ) − − −) = * $ 3! 4 0 ) → ′ ′ # )! 3! 4 = ) 3! 4 = > ) ) ) 25) 3 −25) ! = + ! ! = ! ! $ % %*. H → ! $ %)- ) 0 ) 0 0 ∘ " %*% ′ = ! = + %), K M ′! ! $ = )! ) − 3 = ! = ! G ! ∈ = 4! − ) ! < ! = +− < ! = ) ) − 7 ) + ) ) 2− )− ) 8 < ! =) + 3 ∘ $ 8 0 3 ++ = * − +3 ) − 3 − 2) %*& & ! = 0 2* 3 ) 3 $ $ $ 3* %*' - ! 6* − $ 3* − ! ! = ) %*( %*) G %** G ) %*+ . " + ) $ $ =7 $ ( $ + + ) ! $= 3 )*! −3 + ( 3 ! = " $ ( ! ! = 3* 3 ! ( $ ! $ 2* %*, . $ / 6* *** ! $ 6** , ! = !N ! 3 + ) + 2)** ( O ' / ! = 6* %*N ! 253 )53 % ! %+% %+& %+' = ! ∈ ) ( ! = $= ) + ) $= ) + ) ( 5 )+ ) ( 23 ( ! = +−4 −) ≤ + " = ! ∈ 0 ) ) 5 + ) ≤ 7 0 − 2* + 23 − >) ≤ * 0 = −2 ≤ ≤ 2! − 2 ≤ ≤ 2 ) ) ! %+( = < %+) = < %+* = %++ = $ $ 0 ) ′ 3 − = < = 2− $ % # 0 ′ ) = − ) + < ′ = + ′ $ − = ) $ − ) + 3 = * ′ ! ! O %+. 2)* K.- FKE 1 .K '=K?. # = 2/ = ! 6 4 2 ! ) * 3 <L <E )×2 A A≠*⇒∃ −2 = = 0 A A = *M >/ < <E −2 −2 −2 <E ⇒ = = * * ⇒∃ −2 −2 = 2 2 = $ M ≠ M 7/. = = 2 ) 2 ) = * 2 −2 < ! 2×) ⇒ 2 * =θ⇒ <E −2 2 ) 2 ) ⇒ θ=θ⇒ −2 =θ⇒ $ 2 −2 = * 8/ <% = <% = 2* / 2 * 2 = − ′ − −2 ′ + + −2 − ′ + −2 = − ′ ′ − ′ ′ + ) + − ′ + = ′ = ′ − ′ ′ − ′ ′ + ) + − ′ ′+ = ′ ′ ′ ) ′ ′ ) ′ = − − + + − ′ ′+ = =− ) + ) + ′ ′ − ′ ′ + = M = 6/ −2 ! <L 4/ < +/ / 2 4 6 3/ < 1 = = −2 2 > 4 + −4 6 * * −2 − 2> 27 2 )> − )>7 − 3+ )> − 8> 27 4> )> − )+ )> − >8 )> − 28 3 > 8 − )8 − >4 8 2 ) ) = = ⇒ % ′ + 8 ′ = −2 = 3 <% = 3 2 3 4 22 / % ′ + 8 ) −2 −2* −> −8 −4 2 * ) ) * −4 24 2 +* 6 −2 −2 −) ′ ⇒ * * 2 * * * * * 2 * 2 4 22 7 −3 * * −) 2 2 −2 −2 −2 2 2) 2 * ) − ) = ) 6 2* ) 7 2* 7 26 27 =θ % + ′ 8 ′ = ′ − ′ 8 ′ = − ′ 8 ′ = − ′ −2 − ′ 8 = − ′ ′ − ′ −2 ′ = ′ − − 3 −) 8= 2 %= M 2 2) / <! = ) ′ −2 ′ 2 ) 3 4 <! = ) <! = ) 23 / L 24 / * − 2+ / < * / * − ∈ /* − ∈ <* 3×3 4×4 26 / <A A = − − − − − − <A A = − − − 2> / <A A = −) = 2! 27 / <A A = − ) ) − − =) 28 / <A A = 3 <A A = 2 <A A = 2 )* / < !# < 2 ! ! ! $ $ ! )) / - ⋅ * ⋅⋅ = ⋅ ⇒A ⋅ A = A * ⋅ ⋅⋅ ⋅ ) A = A− A = −2 * ⋅ ⋅ −2 A A ≠ *; )4 / < = * = +! < = )! ∀ < ≠ 8! 4 ) $ <! ) ≠* ≠ )! = 8! )+ / <! = ) < ! 5 = 3 <! = 3 < ! 5 = 4 )6 / ' ) * * −2 ⋅ ⋅ * ' A ( ; < ; < ( −2 )3 / 3 ;D < A A = A A ⇒ A + A = A) A + A = )+A A ; < )2 / 2 !) ! ≠ −+! 3 3 3 F F ( ' 2! ) ' 0 ! + +$+ = * + +$+ = 2 )> / ) 2 2 4 ) * 4 = −3 −2 2 −) $ M + −2 = ) 2 2 4 ) * 4 = 3! < ≠) + = +)− −)α ) $= )− + +)α ) = )! F ! ∀α ∈ = 2− $=α =− ≠ 3! 0 = 2 −3 2 −3 =2 F ≠ −) =/) =2 α ! ∀α ∈ ) F = 2−α−β =α F $=β F = −) ≠2 4 + − 2 =* F = −2−α ) $=α M ∀α ∈ = ≠ *! α − 2 − −)+ −3 ≠2 = *! 3 + = −2 + F $= < −3 + =α )7 / < ' = −) −3 −2 2 $ 2 ≠ −)! 0 = $= − ) −)+ −)+ ) −)+ − ) −)+ ! ∀α! β ∈ = ))53 = −)353! ≠ ))53 − ≠ 2+! F < = *! = −3! $ = ) = 2! = )! $ = −2 )8 / < < = 0 < = *! 4 3 ! =3 = )! $ = −2 3* / E $ ( $ ) ∀λ! μ ∈ ! ∀ ! ∈ ! λ + μ ! = λ ! + μ ! 0 λ + μ ! = λ + μ ) ! λ + μ ) λ ! + μ ! = λ ) + μ ) ! λ ) + μ ) λ + μ ) ≠ λ ) + μ ) 32 / 3) / < λθ = θ ∀λ ∈ 0 0 θ = ( + −(M λθ = λ( + −( = = λ( + λ−( = λ( − λ( = θ < *( = θM *( = λ + −λ( = λ( − λ( = θ < λ( = θ ⇒ λ = * ( = θ0 λ≠*⇒ −2 −2 −2 −2 ∃λ M λ λ( = λ θ ⇒ λ λ( = θ ⇒ ( = θ 33 / < . <. M 2! )! 3 − )4! +! 6 + >! 7! 8 = *! *! * <. <. M) 2− )+ 3− 4 = θ <. 34 / < ! (! )( + < + (! − ( + )! ) + ) =2 ≠2 3+ / 36 / < ∀ ∈ < ≠ M 2 = −)! ≠ −)! 24 3 = 2 * 3 −2 3> / −3 2 $ 2 2 * * * +) * −4 ! 3! ≠) 24 3 ) 3 −6 − 3 ≠2 ≠2 ' 0 0 2>527! −258! >527 + ) + 3 + 2 + 3 = θ ⇒ + =θ [ 2! ) + + 3 + 3 ≠ −2 − 3 3! ∀ 2! 2! ) 6! 8! 24! 2! )! 3 + )+ 2 + + 38 / ) 3 → −2 −4 + ≠ −)! = −)! = −) =2 37 / < . <. = 24 3 = M )! 3 0 0 + + 4* / < 2 + =* + ⇒ =* =* = 3! )! −2! 2 < ) = ) < = ) 42 / * ′ 3 4) / < ! <E < ! < ! = )! −2! 2 3 4 ) ′ 2 −2 2 2 ′ 3 ′ ) 3 4 ) ′ 2 −2 2 2 ′ 3 3 4 = ′ ) = 3 =*⇒ ′ ) −2 ′ 2 ′ = 4! 2! 2! ) 2 −2 3 ⇒ = *! ) 2 −2 3 2 = *! + 3 − 23 ) ⋅ ) 2 −2 −2 2 2 * −2 M * ′ 2 −+5) = ) 2+54 −2354 3 = * −2 ′ = = −)! 2! *! −3! *! 2M −3 * + 2 " 2 = ) = 2! *M " 3 = 2 = 2! 2! 2! *! 2! 2! *! *! *! −2! *! 2M " 4 = 3 43 / < ! ! * = λ2! 2! * + μ2! *! *M μ = − !λ = < ! ! * = λ)! −2! * + μ−2! −2! *M μ = + ) 53! λ = − 53 44 / < ? 02! −)! *M = 2M =λ # 0 = −)λ ! λ ∈ $=* 2 0! <? −) * $ 0−2! *! *! 2! *! *! 2! 2M = 2M ) + )M = *! $ = * = −λ =* $=μ ! λ! μ ∈ = λ+μ −2 * * * 0! * 2 $ = )M = *! − $ + = * 2 2 $ = 4+ / 46 / < ? 2 * * * ! * 2 * * ! * * ! 2 * * * M * 2 0 2! −3! −>! 3! )! −2 2 0! < −3! −)! 2 < = −2252> −3 3 ) −> −2 $ = )M ⇒ 2> − )* + 22$ = * ! 2! 2! 3 4> / 2! )! 2! 2! 3! )M 2! 2! *! 3! 7! +M 0 − +$ = * 0 − +$ = * 47 / 48 / +* / +2 / < < 3 = −253! −)53! 2! *! −253! −)53! *! 2M ) = 2! 3! −)M 4=2 ∩ 4 = *! 0 = *! = *! $ = * + 4 0 = 2! 2! −2! 2! 3! −)M + 4 = ) = λ+μ 0 0 + + )$ = * = λ + 3μ ! λ! μ ∈ M F $ = −λ − )μ +) / +3 / < < = 2! −2! −2 ? " 2 ∩ " ) = *! E ( " 2 + " ) = 4! " 2 + " ) = 02! −2! −2! *! 2! *! *! *! 2 "2 ∩ ") 4 4 +4 / < ! . ∩ = *! *! *! . + 3 < . + ∩ 7 = ∩ 7 = 7M ? 02! )! *! *! −2! 2! 7=) = ! 2! 2! ! 2! ! 2! ! 2! 2 = −)! =) = 2! =2 = *! −2! 2! 4 = 2! =* # 0 = −λ ! λ ∈ ++ / < < ' ≠2 = 3 ≠ −)! =3 $=λ < 2! *! *! *! −2! 2! *! *! 2 < = −)0 ? = 2! 2! −)! 2! −)! 2 + 4 = ) ≠2 ≠ −) ! " = *! *! * "=* = −)! " = ! ! $ ∈ 3 ! − ) + + $ = *! − ) + $ = * = 2! " = ! ! $ ∈ 3 ! + + $ = * "=) +6 / +> / * ′ = − 3 > 4 > 2 > 7 > +7 / < <* ′ = < 4! 4! 4 ) 2 2 2 ) 2 2 2 ) +8 / < λ 2 = 2! 'λ 2 = ! − 54! ∈ M λ ) = 24! 'λ ) = ! 3 ! ∈ < λ 2 = 2! 'λ 2 = ! ! *! ∈ ! ∈ λ ) = −)! 'λ ) = *! ! ! ∈ < λ 2 = −2! 'λ 2 = ! ! − ! ∈ 6* / < !* = 2 2 −+54 2 <E < <E !* = 2 2 −2 2 M "=2 <E !* = < 2 * * 2 * 2 * * 2 −2 2 * * 2 * 2 * 2 * * 2 2 * −2 2 −2 −2 −2 !* = < −2 −2 −2 2 62 / * = −) −3 −3 2 2 2 −) + 3 −) − 3 * 6) / *λ = −λ 3 + 4λ ) − +λ + )! λ 2 = 2! λ ) = ) λ 2 = 2M " 2 = ! −354 ! − 5)! ∈ λ ) = )M " ) = ! − ! − ! ∈ E 63 / . " 3 = −2 64 / 6+ / = ⇒ ∃* * ≠ *M 66 / < < = = = * −2 3 * = * −2 * = 2 3 !4 2> ) $ * ! M* = * * 2* 6 * * * 6 * * * 2) − ) + 2 + 2 + ) + 2 ) M* = * − 2 ) 2 3 2 3 2 3 − 2 6 ) 6 2 6 3 < = * * * * −2 M* = * * −3 * 2 3 2 ) * − 2 3 − 2 3 2 6 ) 6 2 6 2 ) 6> / 2 3 * −2 * = 2 * * * −) * * − 0* = M' ∀ ∈ 67 / =* >* / < < =* =* 2 3 * −2 = ! =* 2 * * * 2 * − 2 ) 2 6 −) + )−2 −2 2 2 2 2 2 = M 253 25+ 25) −2 = 3) − 4 7 − ) 3) 2 >2 / (0 $ −2 −) +) +2 2)) − )* 6) −) + & * 638 < 2 6 ) ) −2 *= * −2 M * 2 ) # −2 + −2 * −2 = 3 2 3 )58 )5+ 254 < ) 6 * 4 − 68 / * * )3> * 2)4 2 * * * * ) * −2 * * * * * = >) / * 2 * * * * 2 * * * * 6 >3 / < = 2 * ) ) * 2 * −2 * >4 / < < >+ / < $ $ <F <F / ! ! $ = 2 / ! ! $ = ) = + 3$ ) M / ′ ! ! $ = $ M /′ * * * < / ! ! $ = 3 </ >> / < F 2** / < F >7 / < 3 *= M * * * * −2 2 ) −2 * 5 3 ) * $ − )$ ) = ! = !$ = − − ! ! ∈ 5 = ! = !$ = ! ∈ 2 3 2 ) 2 3 * 2 3 − 2 ) ) $ <F <F <F $ * −2 −2 >6 / < / ! ! $ = + + $ ) < λ = *M " * = ! ! $ ∈ λ = 3M " 3 = ! ! $ ∈ < * $ * −2 −2 $ 3 * * 2 −2 −2 $ ′ < / ! ! $ = </ < <F <F − 2 6 ) 6 2 6 * −2 2 = < −2 2 * 2 * 2 * −2 2 < −2 2 * 2 * * ! 7 8 >8 / < 35+ <2 <) < 25 7 %< Z< ∞ <2 < <2 <* <3 <) $< 25 7* / < ) 72 / < ) (< < 253 $ < <∞ <* ) < > < 3 <3 <2 < <∞ ) < →∞ $ < )53 <∞ <2 <2 $ < −25) <2 $ < $ < $ 7) / < 3! +∞ < −3! 3 < −∞! − ) − 2 ∪ ) − 2! 2 ∪ 2! +∞ < ∪) π! ) + 2π! ∈ <*! 73 / ) 4 2+ 2 < ) *+ /3 /) /2 * 2 ) 3 < /2 * 2 ) ( ( /* + 3 4 /) /2 /4 ) 3 2+ ) 2 *+ < /3 /) /2 * /* + 2 < 2 ) ( 3 /3 /) /2 * /2 /2 /) /3 2 ( ) 3 <∞ 74 / < −2 < 2 %< 25 < − 25+6 < < /256 < 25) Z< 7+ / 6* = + 77 8 <2 )7 3 & 76 / 22 + * *> = ) =* →2 + 7> / ! = 2 − <2 83 = 2* )4 & =2 →2 77 / < $ 2 78 / < < 2 < ) +2 8* / < −2 2 =* 8+ / =2 = −)5 3 ( ) = )5 3 $ 3 ≈ 2 2*364 !; 86 / < 0 = )*! = <' $ E" 8> / = 2**** $ ! *8*2 − *8** ≈ * ′ 8** ⋅ 2 = 2* 25) 83 / ) **) 3 ≈ 7 *)4 84 / $ −2@ −2 < −2 82 / −) = ) = * $ ( <* < ) < ) −2 4 @ )+ +2 8) / * = 6** $ $ =3 < ( +* −3 04 0 4 ≈ 27 $ −* *2 − 3** = 4** ( 87 / 8 = )*+7> 6 \ 88 / 2** / 4+ *2 77>42* ≈ 2+*2+ 2 ) * 2 ) + 2*2 / < 2 + − ) ≃ 2 − 2) + 37 < 2 + ≃ 2 + ) − 2) 3 + 2 2 6 * 2 3 + ) − + 6 ! 2*) / ∫ = 2*3 / ∫ ) 3 2 ∫ = ∫ 2 −) = −4 − M = 4M 3 4 + 26 3 2 )4 * 2 4 = 2 2*+) ) < 2 )− ) ) ≃ ) − 2 3 4 2*4 / ; < 2*+ / ∫ − 2 ≥∫ ) * ≤∫ π ) 2*6 / ; < = 2*> / ; < − 2 * ≤ π −2 ≤ )π * 4 2*+6 = ! 4−2 2*7 / ′ $ = 3+ + 2*8 / < 2 6 ) 3 + < 2 3 < 2 3 3 + + < )+ 4 + + < ) < 22* / < 3 < 2 ) < 222 / < ) < < 2 ) − ) 6 + + ) 45+ + 4 +) − ) + ) + ) ) + <) ) < 2 ) ) +3 + + < −4 < + +) ) − π 224 / =2 22+ / = 4− 226 / =8 2 * 2 ) + ) < + ) +) < − ) < 2 3 + > )4 / 23 − 2 + 3 +3 ) + 4 ) ) 3 − − ) + − 2 + 7 3 −3+ 22 ) 3 3− 7 ) 8 + + 4 8 < > > 6 + ∫ 4 − ) − 4 4 2 =8 ) − + + ) 75> + 3 +4 +6 + + 4 + )+ − 4 2 ) + < ) + ) + < + + 8 + + 2 ) −2− 223 / < − 2+) 22> / " = ) ∫ 6 4 3 − + −) −2 ) ) + + −) + 2 + −2 22) / < ≤ 2 2 6 + +6 + 6 + 4 ) * 2 ) ( 3 4 + /) /4 227 / ; < $ 228 / = ! ; < ; < $ π ) 2)* / ; < ; < $ 2)2 / ; < ; < $ $ 2)) / = 63 ) 0 $ $ ; < $ ; < ; < ; < $ $ ; < 7 $ $ 8 8 0 ) + ) < 4 ( 0 ) + ) > 4 ) 0 + = 4 1 0 ) + ) ≤ 4 0φ ( 0 ≠ 0 1 0 0 > *! > *! ) + ) < ) 0 9* ≤ < ) ! = * 0 ∪ * ≤ < ) ! = * 0 < *! > ! > ) 0 ≥ *! ≥ ! ≤ ) F 0 ) ) 0 > ( 0 < 1 0 0 0 ! ! 0 2)3 / < F ) <F <F ( 1 < ( 1 <F 1 2)4 / < 3+ ! ) 2)+ / < ! ∈ ) < ! ∈ ) < ! ∈ 2)6 / ' ( < $ < ! 2! 2 5 ! ∈ −2! 2 × −2! 2 5 ) = 5 >− ) < ! ∈ ) 3 <*! *! ) ) > *! 5 *! * + ! →* ≠ 2 ≠ 2 )+ ) ) ) = 2+ ) ! ' = 2)> / ' *! * ! ≠ −2! ! →*!* 2)7 / ! = * 2)8 / ! ) = )+ ) 4 )+ →* ) 2 2+ 2 ! * = 2 +2 !>* ( *! * = 25) *! * →∞ ' ! ≠*⇒ ! →∞ ! ∈ 9*! * 1 ≠ −2! ! 23) / 233 / *! * = ) ( *! * ∉ *! * = = 232 / ' E *! *= 2 ( 23* / ! ! ! ⊂ ! = 2− ! 2+ − + →* =* *! * 234 / / ′ 23+ / < ) ) 3 =4 ′ ) 4 3 3 236 / 3 ) < ′ = −6 ′ ! *! * = ′ *! *! ′ *! * = < *! *! ′ *! * = = 4 +3 ) ) +) 3 )+ ) ) = 238 / E ( . $ =) ′ ′ ! ′ ! + )$ ) + 4 $! − 4 −) 3 −3 )+ ) ) −2 )+ ) ′ ! = = ′ $ 4 +) +) ) = 4$ + 4 ! ) ) ! ≠ *! * *! * = )+ ) ) ! ≠ *! * ) ! = *! * *! *! *! * ( ′ *! * = * ! = *! * 2 ′ ) +) +) 8 *! * = * < ′ = 8 *! ) 23> / < E 237 / ′ < = − 3 )4 ′ ! 7 = 4 − 3 ) + 4 $! ′ =4 $ ′ < =3 = ′ < / *2 25) 9*! * 9*! * *! * *! * 24* / E =3 ) + ) M ′ = 3+) ) = 3 ) + ) + ) 3 = M ′ 24) / M =6 + = ) + 4 ) ) ) 24+ / < ∂) ∂ ) ∂) ∂ ∂ = ∂) ∂ ) < ∂) ∂ ) = =− ) −4 = ∂) ∂ ) ∂) ∂ ) M ' ) )+ ) ) ) )+ = =− ∂) ∂ ) M ) 2 ) )+ ) ) )+ ∂) ∂$ ) = ) 0 − ′ ) M ) )− ) =* ( + 0 ⋅ ! $ = ) 4 )+ ) ) =− ∂) ∂ ∂ 246 / L = 24> / < ) )+ ) ) ∂) ∂ ∂ = ∂) ∂ ∂ < =− ) ) ∂) ∂ ∂ = ∂) ∂ ∂ = ∂) ∂ ∂ =2 0 =− 0 +0⋅ ′ = − < ) 247 / ≈ *! 88 248 / )4 0 )! 4 − 2! ) = 24 0 2! 2! )! ) − 2! ) = *! 66) 0 *! 6 2+* / < F <F ∂ ∂ 2+2 / ∂ ∂ ∂ ∂ # >* " <* ∂ ∂ 2+) / ∂ ∂ ' ( 2+3 / < < ∂ ∂ ∂ ∂ ∂ ∂! π) = − π7 3 = −4! = −) ∂ ∂! = )!M +4$ ) ∂ ∂α =* −)$ −3 ) = 3! + ) ! = 4! − ) ! $ = )! ) − 3 < ) 2+4 / $ = ! ) + +) ) ( ! ∂ ∂ >* ' ( + 4! $ ; 2++ / $ = ) )% < $ <* 06 2+6 / ∘ ! = 2+> / ∘ *! * = 2+7 / ϕ ′ = − 3) ) )− 3 + ) ) ) − +3 +) M ϕ′ = 2 ) −2 2+8 / 2> 26* / ; ∘ ! = ! = = + 4 =+ 6 −2 ++ 4 6 + ∂ ∘ ∂ M = + ⋅ ∘ M ∘ % 262 / < * * ( < −)! −2 ( < *! 2 *! −2 26) / = )*! = 2* 263 / = 24! =4 = $ = 3 − 2) − 3 6 ) ! ) 2 ) ) + 3 − 2) ) = +6 + −2 = + 4 # + 7 $ 2! 2 ( *! * 264 / *! * ! ! = 4 ∂ ∘ ∂ " 26+ / 2 ) ) 8 8 −)! 2 2! −2 2! * −2! * ( >* $ <* = $ = )*53 0 )! ) 266 / ( 26> / =6 267 / = 6*! −)! −) 0 )! −) −)! ) =4 ! = )* 268 / 4* 7* )! 2 2>* / 2>2 / ( 2>) / 3 ) −)! −2 ( )! ) = −)! −) = )! −) = −)! ) = ! 2>3 / *! * 3 ) ! − 3 ) !− 3 ) ( 4 −4 *! * 2! −2! 2! 2! −2! 2! −2! −2! ( = 2>4 < < − = 2>+ / < = + 2>> / = ) # H ) + − ⋅ 2>6 / H 2 ) − < 2 3 = 3 =− 2 ) 2 .J ?=1 ! 2/ = *! 0 < $ < $ < $ < ) $ )/ 0 < %′ = θ ⇒ % = θ <' ( %∈ < %′ = %′ ⇒ = < %′ = ′ ⇒ %′ = 3/ ∈ 4+ ′ % = ′0 <' < < <E 4/ & ! ≠* ! = ! ! %′ = θ ! % ≠ θ! ′ −2 ! =4 ! ∈ < + ) = ) + ) + ) < + − = ) − ) < − ) = ) + ) − − ) ) ) < = +/ ∈ 4 %′ = < < < <E 6/ ! ! 0 < ! = ! = < − =* < = < = %! ∈ %∈ + ! ∈ 4 ' 0 ! ′ $ 0 ! =3 4! 0 ! $ %∈ 4 = ! >/ ∈ 3 )! ∈ < = < = < + = + < $ ! −2 = −2 −2 7/ ∈ + 4! % ∈ 4 2! ∈ +2 0 <. 4 < %= < %= < %= 8/ ! ∈ 0 < =θ ⇒ =θ ! =θ < + ) = ) + ) + ) < = ⇒ $ < = ) − +$ = 2* / − +3 +$ = <E <1 < < 22 / N < < < < 0 ) 3 ! =4 0 − + +$ = > *! > *! >* ≤ *! ≤ *! " ≤* " − − − − + + + + O0 = − = ) − ) = 3+ ) − = 3− ) ) ) ) − !% 2 ) 3 4 + 6 > 7 8 2* 22 $ $ $ A = A AA A! %′ = ′! . " ; < ; < ′ ′ % = ! A A ≠ *! ⇒ A A = * A $ A A ≠ * ⇒ A ) A ≠ *! ) $ !; < ! ; <$ % ′ = θ! &/H $ % %/ A ! ; < A A=* $ ; < % = θ! % # %′ = %′! % ′ = −2 ′ ! '/ # 4! % ; < $ ! + A = *! ! ; < ! % = θ! = ! % ; < $ ( / + ) = + + = + − = ) − + − ) ;D − ) = − − = ) = ! − ) + − ) */ ! = ⇒∃ + ; < ; < 3 ; < + ) ) )/. $ $ $ + ) ) ; < = < ; < $ 4! " . $ −2 = −2 −2 = ! = θ ⇒ − = θ! ⇒ − = * ⇒ ' ! − ! = = ; < ; < − =* * ; < − ; < +/E ( ; < ∈ 3! ∈ ) ; < + = + = + ; <$ −2 E ( ; < $ $ $ ,/ $ -/ ; < ; < 4 = = ! * * 4; < = *! = *! $ * 2 * * + ) ≠ θ)! ≠ θ) ; < ≠ *! ; < 3 ; < =2 ; < %. / $ " = θ) = *! $ $ = ⇒ 2 * +! $ %% / − + = ) − − ; < $ ) − + = ! 2/ ' ) = ( 2 − )( 3 < < ( 2 ! )! ( 3 > < < )! ( ) ! ( 3 > < < )! ( ) ! ( 3> < < (2! ()! ) > )/ ' 3! < ( 2 ! ( ) ! ( 3 > $ 0 ' ' $ % < 2! 0 )! ! > < (2! ()! ! ( > ' =A − A ≤ ! ≥ ( ! = = $ >! "2 ") "2 = 4 ") = + F < " 2 ∩ " ) = )! -3! -4 < " 2 + " ) = +! -6! -> < " 2 ∩ " ) = *! -2 < " 2 ∩ " ) + " 2 + " ) = 8 4/ ' $ < (2! ()! ! ( > < 2! )! ! > ' 0 < ≤ '≤ < ≤ '≤ < '= = < '= ! +/ = 2! )! 3 ∈ 3 $ " = = 2! )! 3 ∈ 35 ; 0 2 2 + ) ) + 3 3 = *< ' <" $ <" $ 2 < " = *! *! * <" $ ) 6/ < 2! )! ! > $ ' 0 < " $ ! < < < < 3/ ' ' ' ' ' < & " $ '! < " $ ! ' < & " $ ! >/ ' $ ! (! ) ∈ ' $ $ + )( − ) = ) − ( + ) ' 0 < < ! (! ) > < < ! (! ) > <E % < ! (! ) > <E ( $ 7/ < !( > $ ' < < !( > ' < < ! (! ) > )∈' < '<) < '=) 3 8/ " & $ ! < " ∩ & ≠ *! *! * <"+& = 3 3 <"+& $ < " + & = 4 2* / $ ' ; $ + (+ ) = θ < ! (! ) > 0 < ' $ ' 0 '! $ $ ' 0 )! $ < ! ! ! (! ) 0 <? " < < ! 22 / "2 ") $ "2 ") < 2∩ ) < 2∪ ) < 2∪ ) < 2∩ ) 2) / < 2! ) > $ ' < (2 () ' < (2 ≠ ()! < (2! () < < (2! () > ' # $ 0 "2 ∩ ") "2 + ") 2 ) "2 + ") "2 ∩ ") $ '! (2 0 ! < (2! () > ' ! ' ' !% 2 ) 3 4 + 6 > 7 8 2* 22 2) < ( 2 ! )! ( 3 >= ) E (2 ; <$ ; < %/ ; < % $ 3! ' ; < ; < ; < & /. $ ' $ ; < '/ " 2 + " ) = "2 + ") − " 2 ∩ " ) = *! 2! '=> ; < ; < $ 2 2 ! " 2 ∩ " ) = 8 − " 2 + " ) = 8 7! (/. ! $ $ ; <$ + )/. ) ) + 3 " = ! ; < */" $ ; < $ ' ! " 2 ∩ " ) ; < ; < ! ; <$ 3 % $ =* 3 − " # ! ; < " = 3 − 2 = )! ; < " ! ; <$ ( ! & ' " $ ; < ; < $ ; < () $ +/ $ ,/. = 3( − )) < ! (! ) > ' $ ; <$ ; <$ ! -/ " + & = "+ &− " ∩ & = 4 − " ∩ & = *! " + & = 4! ' 3 ; < ; < " &! " + & ≠ ; < %. /. $ $ ; <$ $ ' $ $ "2 + ") $ ) " ∩ & ; < $ . . < ! (! ) > ' ! %% / 2 ∩ ; <! ; <! ; < ( ! 2 ∪ # ) $ "2 ")! 2 ∪ ) ; <$ " < (2! () > / λ '≤) %& / $ ! 2! ; < ' ; <$ ' ; < ; < < (2! () > ' = )! " 2/ " 0 < < =λ3 < = 3 < ! − λ 3 = 3 )/ ! 0 < < =2 −2 < = < = 3/ < < − = −2 <* $ < $ 4/. < <F < $ < + / λ) + λ + 2 $ −2 =* ' 0 $ / 2 ! ) = 2 ) ) 2 0 $ $ )! 0 < < < <E 6/ $ $ ( # ! 0 < < # < <F $ >/ ∈ ' ! # % % 0 < < < <E 7/ $ 0 < = < $ < $ < ≠ 8/ ! ! ! 0 * λ = 2 − λλ − )λ − 3M * λ = λ − 2 ) ) − λM * λ = λ ) + 22 − λ ' 0 < < < ! < ! 2 ) 2 ! +2 ! +2 ! − +2 ! +2 2* / ' $ +2 +2 0 < =* < =2 < =) <' " $ 22 / !* ∈ ! # ! = * −2 * & 0 <. $ <. * <' # !* < $ ! $ − * 2) / = λ=3 − * $ < < < = 2! = ) = 2! = 2 = −2! = * ( = −7! 4! −3 − − $ λ! 0 < = 23 / $ 0 < < < <. )! = 2 / ! ! $ = ) < *! / > *! / = *! 2 * /% = % % < < <F < ) + $) + ) ! ! * 2 * −2 * −2 ′ + $ $ / ! ! $ = * ⇔ ! ! $ = *! *! * = 24 / ) 2 0 $ $ !% 2 ) 3 4 + 6 > 7 8 2* 22 2) 23 24 $ = =* * ! %/ λ2 * * * * * −2 λ2 *λ = λ 2 − λ 3 ! 2 * * = λ2 3 ⇒ * 2 * = λ2 * λ2 * * 2 −2 −2 = λ 2 * * = λ 2 ** = λ 2 3 ⇒ = 3! $ λ = λ2 ! ; < ; < λ $ \ − λ = 3 − ! − λ 3 = 3 ⇒ ! − λ 2 3 = * ; < −2 = ! = ⇒ ) = 2 ⇒ = 2 −2 ; < &/ $ = $ E % 2 2 2 * = ! '/ 2 ) = − * 2 ) ( / / 2 ! ) = ; <!; < −* = * ⇒ λ = * ; < ; <! 2 ) ) 2 = =2⇒ ! ) ) ; < $ ) 2 − ) ) ; < 2! ! $ . !; < $ ; < /2! * = 2! /*! 2 = −2 I !; <$ )/ ; < $ ! # = 2! ⇒ ∃ −2 ! !; < ; < = !; < *λ * 2 ! # −2 −2 ; < ⇒ ∃/! A/A ≠ *! */ $ ⇒ ∃*! A*A ≠ *! = * −2 / ' = ! ! = * −2 *! ⇒ ; < ; < = / −2 / ⇒ =/ # = / −2 / = * * −2 M = / −2 * * −2 / = ! ! # = / −2 = / / −2 = ; < E −2 / = / −2 ! ! ; < + / *λ $ ⇒ # ! $ ,/ $ ! ; < # ; < ; < $ ; < ; < ! ! 0 # $ -/ $ $ E $ ! $ %. / $ %% / ; < ) − =) ; < * $ %' / = ! ) 2 * 2 2 * M. $ * * 3+ + ) ! ; < $ ; < $ ! %& / ; < ! ' . $ ! − ) = *! $ ; < $ . > *! 3−) + > *! < *! / $ ; < = *! / / ! ! $ = * ; < ; < ; < > *! / $ ! ∃ ! ! $ ≠ *! *! * $ %( / . $ $ ; < *!2 ! )! H H . -.K 7 2/ <. <E < $ < $ )/. < $ < $ < $ <E @ ) 0 0 ≥2 $ * 2 ) = # ) 0 2 * ∞ ∑ 3/ # =2 <. ∞ <∑ $ <) =2 <. $ ∞ ∑ <E ∞ < # =2 > < ≥ < ∞ <∑ ∑ =2 < % +/ / $ ! ≥ 2 ∑ ≥ =2 ∞ ∑> ) $ 0 ∞ ∑ < =2 2 ) ∞ < ∑> ) = =2 ∞ 2 ∑ > )− =2 6/ = + < − −) < −)! 3 < −∞! −) ∪ 3! +∞ < >/. = <H % <H % 3− +) + − ! 0 =2 < < $ $ =2 <. $ =2 ∑ 4/ =) $ 0 ! =2 = −2 0 <E <H 7/ < →2 < →2 <E % 2 =* ( < 8/ + < < ′ > < ′ = < ′ < < 2* / →2 * * * =π $ = −2 =∞ 0 % 0 → $ − < = − ) ! ∀ > *! 0 ≤* >* $ −2! 2 <E H% = <E H% = $ < % H% = ! ∃ ∈ −2! 25 ′ = * < ′ * = * 22 / . $ / = . 2−2 0 ′′′ <* < = −2 2 − − −2@ < = 2− −2@ < = −2 2− 2) / = ) 3 + + ) − + + > 0 < −2! 2 < *! 4 < −4! * < +! 6 23 / $ % = ) +α ) ++ = ) +3 0 +2 <α = * <α = 2 <α = + <E ( $ α 24 / 0 → $ ! " ( $ = )! ) = *! " 0 <. % < =) ( < < <* ≠) 2+ / $ 2 ≠ ) ! *! )! $ 2! )! 2 ≠ ) < ′ 2 < * < *! ) −2! 2 −2! 2 $ 0 < < 26 / =4 = 3 + + + >+ ! ≥ 2! 0 < < < <1 ! ! $ $ + " !% % 2> / . = 2− 0 <( =* <=2 <( =2 <( =* 27 / ϕ0 → $ $ =* ( * 0 < ϕ = ϕ* + ϕ 2 + ϕ ) ) + + ϕ < ϕ = ϕ* + ϕ 2 * + ϕ ) * ) + + ϕ ϕ 2 * ϕ ) * ϕ * + )@ ) + + < ϕ = ϕ* + 2@ @ ϕ 2 * ϕ ) * ) ϕ < ϕ = ϕ* + 2@ + )@ + + @ 28 / H = 8 < + ) + + 2+ <2+ 8 < 2 + 8 + 2+ < 8 )* / H = =* 0 ) 3 4 < + 2 + + )@ + 3@ + 4@ + ) 3 4 < 2 − + )@ − 3@ + 4@ + ) 4 6 <2− ) + 4 − 6 4 3 < + )+ ) + 6 + − )2 / . # ) 3 <2+ + ) + 3 3 + > < 2 − 3@ + +@ − >@ 4 6 < 2 − ) + )@ − 3@ 3 + > < ) + 3@ + +@ + >@ ! % ) =* ) 0 =* 0 !% 2 ) 3 4 + 6 > 7 8 2* 22 2) 23 24 2+ 26 2> 27 28 )* )2 %/ $ ∞ ∞ 1 $ $ &/ ∞* H $ $ 2 '/ $ $ ' # $ ∞ $ (/ $ )/ ∑ # ∞ ∑ $ =2 2 =2 ) ! $ ! ! < */ $ 3− +) +) ≠ * ⇒ ≥ *! . $ $ 3− +) > * ≥* 3− - ≤* ⇒ +) < * ∈ −)! 3 ; < + / →∞ +− =2 G ; < ; < % = *<! ; < = π! ; ,/ $ ! →2 + = +∞! ; <$ →2 − = →∞ →π + − % π−2 π $ % =* ' * = 2! ; < $ ( = 2! % ! ; < →2 % ; < = 2! ; < - / ∀ > *! $ ; < $ ; < ! ; <$ ! $ %. / ′ * − = −2 $ ( = →* $ = *! $ ! ' ) = 2 ! ′′′ 2− ) −2@ !; <$ 2− + 2* − + % ) ′ ! −2! 2 ; < = *! ; < $ ′ ( *! ; < ! ′′ = 2 2− = ′ − ≥ * − − − ! 1 %& / ′ = 6 ( ! $ = ′ + ≤ *! $ $ %% / ′ = )4 2− + →* + − = ) 2− 3 ′ * + = *! ; < ! ( = 6 2− 4 ! ! % = *4 2 = −) *6 ? ! $ =* ; < 2 )! ( ! −4! *! ! ; <$ $ %' / = + = →∞ − ) = 2 ' α = 2! ; < $ ! ! = →∞ = )! = − − ) ) $ ! = )! ( $ ' ! ; < ' " ! $ * $ ! % %( / ' $ " % ; < ( $ %) / ′ > *! ∀ ∈ *! ) ; < ; < = *! +∞ ; < ! ( − ! + ! % ; <$ $ % *! )! %+ / ′ = −) ; <$ ( ! ( %, / . $ $ 8 =) $ ! = )! " ; <$ ; < ℜ ! =+ ) ; < =* ; < = *! $ $ &. / . ; < $ &% / . ; < 2 2/ ! ! 0 < ! < $ ! < ! * 0 * ∈ ! = " ! * 0 * ∈ < ! )/ 0 ! → 0 ! → ≤ ! ∀ ∈ ! 0 <∫ = ∫ ∫ <∫ >∫ <∫ =∫ < ∫ + 3/ ≤ )∫ −∫ ! ! =∫ 2 * −2 0 $ ( # H %- / . " ; <$ ! ! ! = * ⇒ = * ′′ * = −) < * ⇒ ; < $ ′ 2 = * ; < ; < 2− ; < − = + ! ′ $ ! *! )! *! )! ! > *! > *! %* / 2 = 73! 3 = 38 ; < >+ = 3 − ) = * ⇒ = + ′′ + > *! $ = +∞! ; < →+∞ $ % % =2 < > 2! $ < = *! $ < = 2! $ < * < < 2! $ +∞ ∫ ) ) −) +2 ! 4/. <L 2 2 <L 3 < $ <E +/ 0 ! → ! * / *⊂/ & < " ! * ≥ " ! / < ! * ≤ ! / < " ! * ≤ " ! / < ! / ≤ " ! * 2 ∫ −∞ ) −) 6/ $ 0 2 <−) < 2) < $ <* ) 2≤ ≤) >/ = +− )≤ ≤4 28 <L 3 <E ( +> <L ) < L − +3 7/ $ = < = 2− 2 < =2 < = 3 <E ( 8/ <∞ < π) <* < π4 2* / <∞ <) < 2 − π4 <* 22 / < < ∫ A A = * − < ∫ + ) = ! $ ! ! 0 ∫2 ! 4 ) *! ) −) 0 3 − = = 2 ) 2+ ) − ! ! ) 3 3 =* KU ) +4 KU =* ∫− 0 = 2$ =* 0 0 <∫ =* * 2) / < ) = < ) ≤ < ) ≥ <1 23 / . < < < < 24 / <L < <L < 2 =∫ − 2 ) ) * =∫ − 2 3 ' * 0 2 2 2 =∫ =2 =2 =π = π) 0 * 2+ $ $ $ $ ( ( = 2 ++4 KU * )π! 3π π 3 )π !% 2 ) 3 4 + 6 > 7 8 2* 22 2) 23 24 %− $ ! ! $ ! ! ; < &−. ≤ ⇒∫ $ ; < ∫ + ; <$ $ ; < →* + 2 −2 * ∫ 2 = −∞! = ∫) +∞ $ $ ; <$ ; < +∫ = →+∞ ∫) 2 ; < −2 ) = ≤∫ +∫ →+∞ 2 ) −) = →−∞ = )∫ ∫ = 2 2 →* + > *! ) = = 2! →+∞ −2 +2 )! +∞ +2 = 2 . ; <!; <!; < ! * ≤ ! / ; < *! " ! / ≤ " ! *! & ; < / $ !; <$ −2 −2 ! )−H →−∞ ; < ; < !; < 2 ; <$ ∫ 2 2 $ 2 * $ *− ≤∫ ∫* = *! '− (−. ) −) +2 = $ $ =∫ ! 2 ) ) −) 2 = →−∞ 2 ) − 2 ) ) −) = 2 ) . $ $ ∫2 4 ; < ! 2 ) $ ; <$ ; < =) ' +−. !; < ) =∫ ) + ∫ + − = 4 2 ) ) 3 3 ,− $ ! ; <! ; <! 2 + + − ) 4 ) ) 28 3 ; < !; < ξ ∈ *! ) *! )! ( ∫* ) − ) = = ξ ) − *M ξ = 2) ∫ ) − ) = −) 3 * ξ = 2 − 2 ∈ *! ) $ ξ ) − )ξ = − )3 ξ = 2 ± 2 ' 3 3 ) ) ; <$ -−∫ $ ! +∞ = 2 ) +4 * $ ! $ ; < %. − ∫ * ! $ %% − 2 ) 2+ ) $ →+∞ π 4 =∫ * 2 ) ) 2 2+ = = − ! ) %& − $ ∫* 2 ∫* 2 $ ′′ − − ) ) = $ $ ⇒2≤ ∫* )π ≤∫ 2 3 ) ∫ −2 − *! 2! 3 * > *! ; < − %' − . 2+ − 2+ ) !; < $ ′′ π ) $ = ; <$ %( − ++4 2+ π) ) ′ 3 3 ) ) ≤ 2 ≥ >* ++4 + = ) 3 3 3 π 4 = )π! )π 0 ; < 2 ! 2 6 = ! ∈ ℜ ) 5 ) ! 2+ ) )+π ; <$ 2/ − − =− 2 3 7 . ! 3 ≥ ) = −2+ π) 2 ++4 π 4 ≥* ≤ 2! ⇒ 2 ≤ + + 4 2 2 ≤ 3 −2 ≤ ≤ 3! 2* = 2 − ; < ′ = 2 π ) ) = *! 0 ; < = ) <* 2 2 ! ) ∫ −2 A A ≠ *! ∫ * ≠ * ; <! ; <! ; < ∫− + ) = ∫− + ∫− ) = * + 2 2 →+∞ ) ! = −2! 2! * ; <$ 2− 2 ! ) ) π ) ≤ 2 3 ! > * ∀ ∈ *! 2! = π ) ( π! ; <! ; <! ; < ≤ 8! ≤ 2! ; <! ; < ; < ! < *! * 1 < < < *! 2 )/ = ! ∈ ) 5 − ) ≤ ≤ 3 −3 ≤ < ) 0 < < < ! ∩ ≠ ∅ < *! −3 ∈ 3/ " ⊂ ℜ 0 < " ∩ !" = φ < " < " = !" <H " 4/ " ⊂ $ 0 < ⊂ < ⊂ < ⇒ < ⇒ +/ = ! ∈ ) 5 = λ ! λ ∈ $ 0 < λ < λ < λ = *! < λ = 2! 2 ) >0 6/. ! < +2 ! ) <E < $ ! * < $ 2! * < $ *! 2 >/ = ! ∈ ) 5 = 2 ! ∈ * ≤ ≤ 2! < < = < ! = <H ! ∈ 7/ ⊂ ) $ 0 ∈ ! ∃δ > * ! δ ⊂ M 0 < < < < 8/ 0 +2 ) " = ! ∈ 5 = ! ∈ * ≤ ≤ 2! 0 <" < "9* * < 2! ) × *! 2 < " ∪ 2! 5 ∈ *! 2 2 2* / ! = 0 )− + ) ! < < ) ) − *! * < ! 5 > * > * < ! 5 > * < * ) 22 / 0 ) → ! ! 2 < ! ) +2 >0 <E < $ * < # $ < $ 3 ) 2) / ! ! ∈ ) 5 ) + ) < 4 0 <. $ *! * < < $ )! * <E $ 23 / 0 ) → 2! 2 ≠ →∞ < ! = →∞ 2 ! 2 ! →*!* < ! →*!* <E ( ! = →∞ ! →*!* 2! 2 ) ! < 24 / 0 ) → 0 < ( < ( % < ( *! * = 3 # →∞ 2! 2 ) ! 0 ! ! ? ! ( ! ! ( ! ! ( % < ( " % 2+ / 0 < ( < 26 / → ! →*!* ! →*!* < < ) ( 0 ! ! →* ! ) = *! ∀ 0 = *! ∀ *! * ! ! # ! →*!* ) → ! ( & $ * ! ! > * ∀ ! ∈ "⊂ ) ) "0 < ! < 2! < ! < )− 2 ! 2> / 0 < < < <* ) → 2! * 2! * ) 2! * = )! ! 0 ) + ) < 2 = −)! 2 0 27 / ! = < < ! < <E ( )+ ) *! * $ ! →*!* * ! ≠* ! =* 0 $ " ! !% 2 ) 3 4 + 6 > 7 8 2* 22 2) 23 24 2+ 26 2> 27 % /*! * $ ! ! = ! ∈ ⊂ *! *! )! ) ) 5 & / *! −3 ; < ; < $ '/ $ *! 2 ∈ ; < + = 2! ) ; < ; < ! ⊂ ! ' *! −3 ∈ ! ∩ ; < " . 1 ; <$ ! ' *! ) ; <$ ! $ ; < ! " ! " ∩ !" " ; < ' " ; <$ " ; < ( )/ $ ! ! ! */ $ $ ⇒ ∃ ! δ ⊂ ∈ ! ; < ; < ∈ ∈ (/ $ ' ! λ = *! →∞ 2 ; < ; <$ ! ∈ ∉ ! ; < ; < ; < ; <$ = ! →∞ → ∞< . +2 ⊂ M⇒ H =∞ ; 2 ) λ = 2! ! *! =λ 2 # ! ; < + / *! * ∈ ! ! *! * ∉ ⇒ ; < ; < ; < ∀ ! ∈ ! ∀δ > *! ! ! δ ∩ ! ; <$ $ ,/. $ $ ; <$ ! ; < $ $ -/ 2! 5* ≤ ! %. / <*⇒ >*⇒ ' ! ; < ; < →∞ +2 ≤ 2 ) + + ) ) − − = *! ≠ *! =* " " . "; < "! ) ) = 2! + ) + − > > ) + ≠ *! = *! ) ! − ) ) ) ) >* +) −) − + = + ≥* 0 ) + ) = − ) ≥ * ) =* >* ; < ! $ →∞ *! * ⇒ %% / 2! ) +2 ; < = *! * = 3 . ! →*!* ! = ! $ ! 3 ! %& / ! $ # $ ! ; <! ; <! ; < H ; < )! $ %' / *! *! ' $ →∞ 2 = ( %( / I $ 2! →∞ 2! 2 ) = *! *! !; <$ ( $ ! ( ; < %) / ' $ ' !; < 26 / ! >*⇒ # $ ) ; < 2 )− ! "! %+ / ; < $ 2! −)! 2! ( $ $ %, / 2! 2 H # 2! −2! 2! −2 = − 2) ; < $ 2! *! 2! *! ; < $ ; < *! * ; < $ ! ! ! 2 ! " . 2! * H 2! * = )! ; < * ! ! ) ) ! ! ! →* ! ' ' ( ! →*!* ! ! ; < / 2/ ! = <2 ) < π) 3 < − π7 <* )/ ! = ) )+ ) ) = ! ! = ! 0 # π) $ 0 ; < = 2+ ) ! < *! * 2 ) < ∂ < ∂ 2! 2 = 2 ≠ *! ≠ * < 2! = ! ! 3/. ! =) + 4 2! −2! 0 < 4! 6 < −4 − 6 < −6! −4 < 6! 4 4/. ! = ! *! −2! $ 0 < *! −2 < *! * < )! −) < −2! 2 +/ 0 ) → ! $ 2! 2! )! 2! $ 2 ⃗ <. ∇ + − ) !) ) − + <H $ $ 2 <. $ ⃗ 2! 2 <. ∇ 6/ ! =) + 4 ! $ $ 0 < 6! 4 < 3! −) < 2! − 3) <E ( $ ) >/ 0 → *! *! 2 !* 0 $ 2 →∞ <∞ < ∂∂ *! * <* < *! * 7/ <$ <$ <$ <$ 8/. = = = = 0 0 ′ ! + ′ ! *! * + ′ ! + ′ ! *! * + ′ *! * + ′ *! * ′ *! * + ′ *! * 0 <1 ( <1 ( *! * < <. 2* / & 0 ) → 0 $ $ ⊂ ! ! − *! ) * ) ( ( ∈ 0 ! 2! −2 *! * = * → *! * $ → ! S ) *! * S *! ! S * S # ! 0 ! < < ! ! ( $ < ! ( < ( $ 22 / ! = 0 ! ) < = ! ∈ 5 ≠ * π !2 ∂ ∂ π4 !2 4 = − π4 < ∂ ∂ ∂ ∂ 4 < ∂4 = ∂ ∂ ∂ < *!2 = *!2 =2 ∂ ∂ − 2) / ! = ϕ = * + ! * − * ! ∘ π !2 <* <∞ <− * < 2 + 23 / < < < < 24 / *− * * 0 ′ ′ ′ ′ + + π *! → *! * $ 0 0 ) ) → ∈ ) 0 ! 0 ′ 2) ! = 2 ) → ( ! ⇒ )2 ! ⇒ ! =* = ) ! ⇒ 0 → 0 ) → − ()! = () − 0 2 ! ) ! ! ! 0 ∂ ∂ # ′ ′ ∘ . < = −+ + ) < = −+! ) < = *! + < = −3 26 / $ = ! ! < ) ) − 4 ( + )( ) <* < $ < − − ( 2> / ∂ $ = *! ∂ ∂ < ∂ =* < ∂∂( = * < * ϕ →* * 2+ / = # !2 *− * 0 < < < < $ ! ! ( ) = 3 ) ! + ! ) ) ! ! ! ! = − +! + ) = *! $ 0 ! = ∂$ ∂( + ( ∂∂$ $ (= 0 < ∂∂ = ∂∂ 27 / $ = (! = + ! (= − ! = ! = ! $ 0 < $ ′ = + ( + − + ( < $′ = − ′ + + ′ < $′ = ) ′ − ) ′ < $′ = ′ ′ 28 / 0 ⊂ ) → *! * ∈ *! * = * $ *! * ′ *! * ≠ * 0 < ! =* = ϕ < ! =* < ! =* = ϕ <E % ! =* )* / . $ 3 + ) −4 − ) * * +4 = * )! * 0 <* < 4+ < 23+ < 27* )2 / . ′ < − ′ < <− < ′ ′ ! =* * * !ϕ * * !ϕ * ′ ′ = ϕ * !ϕ * ′ ′ $ * !ϕ * * !ϕ * * !ϕ * * !ϕ * * !ϕ * 3 ) )) / − =* ! = ϕ ! 2! * & 0 < =2 = ϕ < = ϕ $ =2 <. = ϕ =2 =* <. % )3 / 0 ) → % # < λ ! λ = λ ! ! λ ≥ * < ∂∂ + ∂∂ = ! < ∂∂ + ∂∂ = * < ∂∂ + ∂∂ = ! )4 / 0 4 → % # 2! 2! 2! 2 2 < 2! 2! 2! 2 = 4 < 2! 2! 2! 2 = 2 < 2! 2! 2! 2 = ) * )! 0 0 $ 0 < 2! 2! 2! 2 = 7 )+ / 0 ) → ∂ ) ∂ ! + ) ∂∂ ! = ! < % # 2 < λ ! λ = λ ) ! ! ∀λ > *! ∀ ! ∈ < % # ) < ∂∂ ! + ∂∂ ! = ! )6 / 0 ⊂ ) → % ∂ ∂ < ∂ + ∂ = −) < ∂∂ + ∂∂ = −) < ∂∂ + ∂∂ = −) < ∂∂ + ∂∂ = −) )> / . ! = ) − 0 <E % # <G # 3 ) < <G # ) $ 0 0 ) −) # 0 !% 2 ) 3 4 + 6 > 7 8 2* 22 2) 23 24 2+ 26 2> 27 28 )* )2 )) )3 )4 )+ )6 )> $ ) %− ) − π π) = ) 4 &− $ ( ; < $ $ ∂ ∂ ∂ ∂ = ∂∂ + ∂∂ = ) +) + 3 − π) = − π7 ; < * = '−. = )− = ! →* )− ) ) ) 4 ) ! )+ →* ) ! ; <! ; <! ) ) ) *! *! ; < ! ∂∂ 2! 2 = * ; < ∂ ∂ = ) 2+ ) ! 2! = ( 4 ⃗ = ! ∇ 2! −2 = ∂ ∂ ; < ! ∂ ∂ )+ ) ) $ 2!−2 2! * = ! ; < ⃗ 2! −2 ∇ = 6! 4 . ; < $ ⃗ *! −2 = (−∇ ∂ ∂ ! ∂ ∂ *!−2 = ! *!−2 = −2! 2 . ; < $ )− ⃗ $ ! ⃗= ⃗ 2 ) ! 2 ) ⃗ ⃗ . =∇ ) ! ⃗( = ! 2 + + $ ∂ ∂ ⃗ ⃗ = ∇ ⃗ ⃗( = 2! ∇ ⃗ (⃗ − ⃗ = * ∇ = ∂ ∂ + − )! ∂ ∂ $ ∂ ∂ ∂ ∂ ! ⃗ ; < $ 2! − . 3 ) +− $ 2 !* →∞ *! * = ∂ ∂ →* , − ! − *! * = *! *! *! * $ -−. ∂ ∂ %. − ; <! ; <! $ *! ; < ∂ ∂ ∂ ∂ = = %% − 2 2 2! 2 = 2 ) 2 2 %& − $ π ) ∂ ∂ = 2 ∂ ∂ ! 2 = ≠2 ; < *! * = →* . ! * ' ( %' − ∘ * ! * = ′ * ! ′ * ! * ∂∂ + ∂∂ ; < $ %( − . $ ! $ ! 2 ; < $ π 4 = $ ; < = ∂ ∂ = ϕ ) ; < *− * + * *− * ! ! ! ! ; < ; < ; <$ − 2 ) ! $ $ ! 2 = * ; < $ ! ! %) − = = 3 ) ! + = 3 ) − +! + + )M * = * ! + = *! + ; < $ ! %* − ∂∂$ = ∂∂ ∂∂ + ∂∂ ∂∂ = ) ∂∂ − ) ∂$ = ∂∂ ∂∂( + ∂∂ ∂∂( = −)( ∂∂ + )( ∂∂ M ∂( ∂$ + ( ∂∂$ = ) ( ∂∂ − ∂∂ + ) ( ∂∂ − ∂∂ = * ∂( ; < ! $ →* ; <$ $ $ ( * + ! * − * ! * # . ! ; < −π ∂ 4 ∂ ; < $ & ! ' =2 2 + !* →* . π 4 ∂ ∂ =2 2 ) $ . $ + = 6! 4 . 6! 4 ⃗ = * H *! * + ∂∂ *! * * ; <$ ; < ∂ ∂ ; < * ∞ ; <$ # $ ) + + 2!−2 *+ !*− *!* ! 2 ∂ ∂ =) ) − + ; < $ ⃗ = ⃗ − ⃗( $ * ; < ) ⃗ 2! −2 = *−∇ $ 2 ) ∂ ∂ M = 6 ! + M $ ∂ ∂ ∂ ∂( %+ − ∂ ∂ = ′ ∂ ∂ M = ∂ ∂ # ′ ∂ ∂( ; <$ ! ∂ ∂ =*⇒ = *! ∂ ∂ $ %, − $ = ) − ) = ) − ) M ′ ′ $ = ) − ) ′ = ) ′ − ) ′ . %- − $ ; < )! * $ 23+ ; < $ &. − . ′ ϕ = − 2 )!* = −2 . )!* ) &% − . $ $ =2 & $ ϕ′ $ ( && − $ ϕ 2! * $ ! ; < *! = 2 − * = * − 2! ! ϕ ! =* . ; < &' − λ ! λ = λ * ! = ! ; < ; < . ; < ; < $ &( − ' H 0 ∂∂ + ∂∂ + $ ∂∂ + 2! 2! 2! 2 4 = ) 2! 2! 2! 2 ⇒ 2! 2! 2! 2 = ) ; < $ &) − $ $ 2 ) ; < ! &* − $ ∂ ∂ ! + ∂ ∂ ! = ; < H 2 ) ! ! ∂ ∂ % = ) ! ! $! ! # ; < $ &+ − λ ! λ = λ ) λ − λ = ) ) λ λ+ − λ− ! λ ! λ = λ ) ! . % # ) ; < ! ; < ; < ; < *! * " 2/ 0 *! * ∈ <L = + <L = <L =* <E # )/ 0 ) → 0 < *! * ( < *! * ( ⊂ ) → ( $ 0 *! *! ( % < *! * < ! 3/ 0"⊂ ) → ( " 2! 2 )! ) 0 < 2 = ) 2 = ) < ∂∂ 2 ! 2 ≠ ∂∂ ) ! ) ∂∂ 2 ! 2 ≠ ∂∂ ) ! ) < 2! 2 = )! ) ) ) < ∂∂ ) 2 ! 2 < * ∂∂ ) ) ! ) < * 4/ ! = )− ) 2! 2 0 < 2 + ! 2 − 2! 2 > *! >* < 2! 2 + − 2! 2 > *! >* < 2 + ! 2 − 2! 2 < *! >* < 2 + ! 2 + − 2! 2 < *! >* 3 +/ 0 → 2! *! 2! 2! *! 2 = − + ( 2! *! 2 ! < !! 0 < 2 + ! *! 2 − 2! *! 2 ≥ * < 2! ! 2 − 2! *! 2 ≤ * < 2! *! 2 + − 2! *! 2 ≥ * < 2 + ! *! 2 − 2! *! 2 ≤ * 6/ H ! = *! * < *) ! = 2 + + < *) ! = 2 + < *) ! = < *) ! = 2 + ) + ) >/ 0 ) → $ % ) 2! −2! H 2 2! −2 * 2 ! = )! # ' 2! −2 0 < $ < ( $ <<E 7/ $= ! $ ! ∂)$ ∂ ) $ ≠ *! < *! ∂)$ ∂ ) ∂)$ ∂ ∂ <* ∂)$ ∂ ∂)$ ∂ ∂ ) ∂)$ >* ∂)$ ∂ ) ∂ ∂ 0 <<( <( <. % 8/ ! =− )− < ( < *! * < *! * < *! * 2* / ∈ ! > *! <1 ( ) 0 ( $ *! * ! = ) + ) 0 >* 0 $ *! * *! * <1 *! * <H *! * <E % ( $ 3 3 22 / $= −4 + =* $ 0 <( <<< )! ) 2) / . ! = )−) ! ∈ ) 5 + ) + + = *! <−2! −3 <−)! −2 <−)! −2 <( −2! −3 23 / 0 ) → )! −2 ′′ $ !$ )! −2 = *! ′′ ′′ )! −2 )! −2 >* )! −2! ′′ )! −2 ′′ )! −2 < $ < ( $ <. < )! )! 0 ( !% 2 ) 3 4 + 6 > 7 8 2* 22 2) 23 %− $ ( $ # ; < * *! $ <! * ! ; *! &−I $ ! ( '−. ( "! ; <$ $ $ $ $ ! *! ( ; < ! * ! ; <! ; <! ; < $ ; < ; < ; < $ ' $ (− 2! 2 = *! 2 + ! 2 = ) + ) = ) + > * > * ; < ! ; < 2! 2 + = −) − ) = −) − < * > * ; < 2 + ! 2 + = * ; < )−. 2! *! 2 2 + ! *! 2 − 2! *! 2 ≃ − ( = − < * ; < $ ( ! ; <$ 2! *! 2! ! 2! ! 2 − 2! *! 2 ≃ =>* ; < 2! *! 2 + − 2! *! 2 ≃ * ; < *! * $ *−. $ ! = *! * + *! * + ∂ ∂ = 2+* +* + 2 ) ∂ ∂ *! * + 2 ) ∂) ∂ 2 * 0 ∂ ∂ ) ∂) ∂ ∂ = 2+ * 2 ∂) ∂) ∂ ) *!* . ; < + − 2! −2 = ) ; < H ( $ $ ! 2! −2 $ ,−' $ ! 2! −2 = * ∂ ∂ ∂ ∂ ; <$ 2! −2 = * ' # ! ; < ; < -−. ∂) ∂ ) = *! ∂ ∂ ∂ ∂ =* ∂) ∂ ) ) + $ %% − . . . ! ! λ = + λ 3 − 4 + ∂) ∂ ∂ . = 0 . = Δ= −4 ) −6 =* 3 3 −6 4 4 4 %& − = ; < ; < .λ = ! )! ) 4 ) ∂) ∂ ∂ = ∂) ∂ ) ; < 3 > *! )! ) ; < . ∂) ∂ ) . $ $ ) =) >* $ ) ) ( ⇒ *! * 3 ( $ ! ( *! * %. − ! = *! * $ * $ ! $ $ ! $ ' 2! −2 ( $ *! *! < *! ; < $ ! $ ! ( *! *! ! ) * * ) =4 ) >* ! + 3λ ) −4 λ = * − 4 λ + 3λ 3 −4 + λ = − 2) $ 3 ) ⇒ =* =* ; <$ = ! ! * ) + 4 + 2* −)! −2 ′ = −) − + ! ! = * ⇒ = −)! ! ; < $ ′′ −) = ) > * −) ! ; < −2! −3 * %' − $ . $ G $ − ) )! −2 ≤ *! ; <$ ! ! < < < < 3/ = ′ 2/< = < = + < = < = 2+ )/ + 0 ! $ ) =) = +) 3 =) 3 = +) *! )! ) " / . < / = ) < / = ) + ) < / = < / = ) 4/- $ $ 2*** 2+** $ < 2*** < +76 <E < 2)*> 3 ! 0 $ $ + & 28** & 0 !% 2 ) 3 4 ′ $ %/ $ &/= *! ) $ ' '/ $ (/ $ ! = < $ / ) = )/ ! < = / / = 3 3 . / ) ! = − − 2*** = 2*** + − * = 28** ⇒ ′ 0 = 8** ) = 2+** ⇒ 2*** + 8** −) = 2+** ⇒ . = 2*** + 8** −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