How did he get the second derivative step by step and a clear line please 3 F(x) = 1+e siny x Fex) =-15 sinux - s e^cos4X %3D X- --

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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How did he get the second
derivative step by step and a
clear line please 9
--
fex) = I+e siny x
%3D
+Cx) =-15 sinux- se cos4X
f'ca) = fco) = -
fくb) = fcl-2) = 4.2398 > KMS
ーX
= -15 e sin4X- secos4X
%3D
4.2598-
%3D
%3D
Transcribed Image Text:How did he get the second derivative step by step and a clear line please 9 -- fex) = I+e siny x %3D +Cx) =-15 sinux- se cos4X f'ca) = fco) = - fくb) = fcl-2) = 4.2398 > KMS ーX = -15 e sin4X- secos4X %3D 4.2598- %3D %3D
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