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15. Find the derivatives of the following functions: (a) = 20 sin 15x; (b) - tan' x: (c)-" c cos x (d) S(x) = xe" .

15. Find the derivatives of the following functions: (a) = 20 sin 15x; (b) - tan' x: (c)-" c cos x (d) S(x) = xe" .

Advanced Engineering Mathematics
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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15. Find the derivatives of the following functions: (a)y = 20sin 15x : (b)y- tan'x (c)'-e" cos.x; (d) S(x) = xe.
Transcribed Image Text:15. Find the derivatives of the following functions: (a)y = 20sin 15x : (b)y- tan'x (c)'-e" cos.x; (d) S(x) = xe.
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