int(sin2x)/(cos^4x-sin^4x)dx=...

`int(sin2x)/(cos^4x-sin^4x)dx=`

A

`(1)/(2)log|cos2x|+c`

B

`(1)/(2)log|sec2x|+c`

C

`(1)/(4)log|cos2x|+c`

D

`(1)/(2)log|sec2x|+c`

Text Solution

Verified by Experts

The correct Answer is:

B

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