Ableitungen von Funktionen
Bestimmen Sie die ersten und zweiten Ableitungen zu folgenden Funktionen L¨osungen:
1.
f(x) = sin(x) f0(x) = cos(x) f00(x) = −sin(x) 2.
f1(x) = sin(2x) f10(x) = 2 cos(2x) f100(x) = −4 sin(2x) 3.
f2(x) = sin(2x−3) f20(x) = 2 cos(2x−3) f200(x) = −4 sin(2x−3) 4.
f3(x) = sin(x2) f30(x) = 2xcos(x2)
f300(x) = 2 cos(x2)−(2x)2sin(x2) 5.
f4(x) = sin(4x2) f40(x) = 8xcos(4x2)
f400(x) = 8 cos(4x2)−(8x)2sin(4x2) 6.
f5(x) = sin(4x2+ 2x−3)
f50(x) = (8x+ 2) cos(4x2+ 2x−3)
f500(x) = 8 cos(4x2 + 2x−3)−(8x+ 2)2sin(4x2 + 2x−3) 1
7.
f6(x) = sin(√
4x2+ 2x−3−√ x) f60(x) =
à 8x+ 2 2p
(4x2+ 2x−3) − 1 2√ x
! cos(√
4x2+ 2x−3−√ x)
f600(x) = −sin(√
4x2+ 2x−3−√ x)·
à 8x+ 2 2p
(4x2+ 2x−3) − 1 2√ x
!2
+ cos(√
4x2+ 2x−3−√ x)1
2
· µ
−1
2(4x2+ 2x−3)−32(8x+ 2)2+ (4x2+ 2x−3)−128 + 1 2x−32
¶
2
1.
h1(x) = 1 x h01(x) = − 1
x2 h001(x) = 2
x3 2.
h2(x) = 1 2x h02(x) = − 1
2x2 h002(x) = 1
x3 3.
h3(x) = 1 x2 h03(x) = − 2
x3 h003(x) = 6
x4 4.
h4(x) = x x2 h04(x) = − 1
x2 h004(x) = 2
x3 5.
h5(x) = x+ 1 x2 h05(x) = −x+ 2
x3 h005(x) = 2(x+ 3)
x4
3
6.
h6(x) = x x2+ 1 h06(x) = 1−x2
(x2+ 1)2 h006(x) = 2x(3 +x2)
(x2+ 1)3 7.
h7(x) = x+ 1 x2+ 1 h07(x) = x2+ 2x−1
(x2+ 1)2
h007(x) = 2(x3+ 3x−3x−1) (x2+ 1)3 8.
h8(x) = x2−1 x2+ 1 h08(x) = 4x
(x2+ 1)2 h008(x) = 4(1−3x2)
(x2+ 1)3 9.
h9(x) = 5x2−3x−4 2x2+ 7x+ 1 h09(x) = 25 + 26x+ 41x2
(2x2+ 7x+ 1)2
h009(x) = −4(81 + 75x+ 39x2+ 41x3) (2x2+ 7x+ 1)3
4