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

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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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