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int (dx)/(1+3 sin^(2)x)dx is :...

`int (dx)/(1+3 sin^(2)x)dx` is :

A

`(1)/(3)tan^(-1)(3tan^(2)x)`

B

`(1)/(2)tan^(-1)(2tanx)`

C

`tan^(-1)(tanx)`

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
B
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