7. y = tan e³x + etan3x
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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Question
solve the question number 7 only
Transcribed Image Text:I Find the second derivative(y") of the following functions and simplify the final results.
1. y = x³ – x²cosx + 2xsinx + 2cosx
2 sin x – 1
2. у 3
cosx+ 2
3. tan(xy) + xy = 0
4.
y =
= xcOSx
5. y = xArctanx - In V1+x?
6. у %3DIn (e* + e")
7. y = tan e3x + etan3x
8. y = In(x + Vx² +1)
2+x
9 y = Arctan(
1-2х
10. x = cos't ; y = sin't
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