int e^(-4x) cos x dx is …………………...

`int e^(-4x) cos x dx` is …………………

A

`(e^(-4x))/(17) [4 cos x - sin x] + c`

B

`(e^(-4x))/(17) [-4 cos x + sin x] + c`

C

`(e^(-4x))/(17) [4cos x + sin x] + c`

D

`(e^(-4x))/(17) [-4 cos x - sin x] + c`

Text Solution

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The correct Answer is:

B

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