intsec^3xdx=...

`intsec^3xdx`=

A

`1/2[tanx sec x +log (tanx+secx)]`

B

`1/2[tanx sec x -log (tanx+secx)]`

C

`1/2[tanx sec x -log (secx-tanx)]`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:

A

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