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int e^(-4x) cos x dx is...

` int e^(-4x) cos x dx ` is

A

`(e^(-4x))/(17)[4cosx-sinx]+c`

B

`(e^(-4x))/(17)[-4cosx+sinx]+c`

C

`(e^(-4x))/(17)[4cosx+sinx]+c`

D

`(e^(-4x))/(17)[-4cosx-sinx]+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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