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int(cos2x)/((sinx+cosx)^(2))dx is equal ...

`int(cos2x)/((sinx+cosx)^(2))dx` is equal to

A

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

B

`l n(sinx+cosx)+c`

C

`l n(sinx-cosx)+c`

D

`l n(sinx+cosx)^(2)+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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