1. Ряды (853737), страница 11
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$& ;. 8.7. F " f (x) = ex f (20)(0).< + " f (x) ; ( x), y = x2 . + ey :1 n X1 2nXex = ey = yn! = xn! :n=0n=08 , $ . " f (x) 1 f (n) (0) nXx:n=0 n!(20)f; , 20!(0) { 0 0"" x20 $ " f (x), + , 01 . 8.,+ 0"" 10!f (20) (0) = 1 f (20) (0) = 20! :20!10!10!16222/ +, $ " ex + . x, 0 0 " .@ " , , . +.
>E + ; { 0 # " x0. . (, 0, N), , " ; x0, 0"" 0 . 8.8. ,. 2xln(1 + x) + 2 ; sin x:limx!0arctg3x2< 7. . ". / . 0 x3 . $, 2xln(1 + x) + 2 ; sin xlim=x!0arctg3x= xlim!01010342352xxxxxx@x ; + ; + : : :A + ; @x ; + ; : : :A23423!5!x31 1!4x3+ 6 x ; 4 + ::: 1 1 13= xlim= 3 + 6 = 2: >!0x3= ., ; + .. + " , + + . ! ", 163; ( " x) , N. ! . (. U 3). 8.9. ,. ln 32 . 0 01.< ,.#.
+ " ln(1 + x) jxj < 1 $, ! 131ln 2 = ln 1 + 2 = 2 ; 221 2 + 231 3 ; 241 4 + 251 5 ; ::: :, + ln(3=2) + . +, #. 251 5 < 0 01. ; , . 0 011 ; 1 0 4: >ln 32 21 ; 18 + 2464Z1 8.10. ,. sin x3dx . 0 001.03< y = x .. + sin y,# $ . ":59153yyxx33sin x = sin y = y ; 3! + 5! ; : : : = x ; 3! + 5! ; : : : :& + G0 1]:10 4sin x3dx = @ x ;x10 + x16 ; : : :A 1=04 3! 10 5! 160= 14 ; 3! 110 + 5! 1 16 ; : : : :F .
. , 0Z1164#. 5! 1 16 < 0 001. ; , . 0 001Z101 = 7: >sin x3dx 41 ; 6030-, $ !!#$#+6 5$1. %"< ( ) = 1 +2(9)(10)2 f (0) f (0).%"< f (x) = cos x3 f (18)(0), f (19)(0) f (20)(0).xf xx2. 3. B! :+ arctg ; 2 sin 4ln(1 + + 2) + ln(1 ; + 2) .a) xlim)lim!0 ( x2 ; 1) ln(1 + 2 3)x!01 ; cos4. B! arctg(1 2) 0 0 001.5. B! 0 0 001:Z1=4 2Z1=2p;xa)4)1+ 3 .xxxexxdxx dx001.f(9) (0) = 2 9!,f(10)(0) = 04(19)(0) =2. (18)(0) = ; 18!6! ,3. ) 11 1204) 2.4. 0 464.5. ) 0 2454) 0 508.fff(20)(0) = 04=xx=ex|||||165x 1. D 6" .., /4+!47 .2.
F"". . - . . 3 .{$: @, 1981.2. . .., *" 0.., +4" .0. #.,# . {$.: 3, 2000.3. * 3;" .0. 8 # ( ). {$: ,# #, 1994.4. 4 . . E" 1.,.,F J. . 7. 1, 2. {$: @. 1993.166! "*" 11. &. . :1 ln n1 3n n!XXp 7Ca)C)nn=1n=1 nn1 n + 1 !n 11 (;1)nXX)):n2n Cn=1n=2 n ; ln n2.
&. . . . :1 (;1)nXC = 0 0001:n=1 (2n + 3)!32 21. &. . :1 n+51XXna)C)Cn=1 n!n=2 (2n2 + 5) ln n10 711ppXXn+1) (;1)n ( n + 1 ; n):) (;1)n @ 5n7 ; 2 A Cn=1n=12. &. . . . :1 (;1)nXC = 0 001:n=0 (n2 + 2)3167 31. &. . :1 5n n!1 0 2n2 + 1 1nXXa)C) @ n2 + 1 A Cnnn=1n=11 sin(n)1 (;1)nXXp :))n3 Cn=1n=2 n ln n2. &. . . . :1 (;1)nXC = 0 01:n=0 (n + 2)n2 41.
&. . :11XXln n Cp1 C)a)4n=2 n(ln n + 1)n=1 2n n + 2!311XX1nnn) (;1) ln 1 + n2 C) (;1) (n + 1)! :n=1n=12. &. . . . :!1 sin 2 + nX = 0 01:(n + 1)3 Cn=1 51. &. . :1 0 2n2 + 1 1n1 1 1XX@A Ctg pn C)a)n=1 n2 + 20n=1 n11 2n+1XXn;1 n :)C)(;1)n2 + 3n=1n=1 (n + 1)!2. &. . . .
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