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

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

A

` log sqrt( cos x + sin x )+C`

B

`log ( cos x -sin x )+c`

C

`log ( cos + sin x ) +c`

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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