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int sec x log(secx+tanx)dx=...

`int sec x log(secx+tanx)dx=`

A

`(secx+tanx)log(secx+tanx)+c`

B

`log[log(sec x+tanx)+c`

C

`(1)/(2)[log(secx+tanx)]^(2)+c`

D

`(1)/(2)[sec(logx)]^(2)+c`

Text Solution

Verified by Experts

The correct Answer is:
C
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