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If int e^(x) cos 4 x dx = A e^( 5x) (sin...

If `int e^(x) cos 4 x dx = A e^( 5x) (sin 4x + (5)/(4) cos 4x) + C` then A is equal to

A

`(4)/(41)`

B

`(3)/(41)`

C

`(5)/(41)`

D

`(9)/(41)`

Text Solution

Verified by Experts

The correct Answer is:
A
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