int (cos 2x dx)/(cosx+sinx)^(2)dx =...

`int (cos 2x dx)/(cosx+sinx)^(2)dx =`

A

`(-1)/((sinx+cosx)^(2))+c`

B

log(sinx+cosx)

C

log (sin x - cos x)

D

`(1)/((sinx+cosx)^(2))+c`

Text Solution

Verified by Experts

The correct Answer is:

B

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