int(cos 2x)/((sin x + cos x)^(2)) dx " i...

`int(cos 2x)/((sin x + cos x)^(2)) dx " is equal to : "`

A

`(-1)/(sin x + cos x) + C`

B

`log|sin x + cos x| - C`

C

`log|sin x - cos x| + C`

D

`(1)/((sin x + cos x)^(2))`

Verified by Experts

The correct Answer is:

B

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