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int(sec 2x-1)/(sec 2x+1)dx=....+c...

`int(sec 2x-1)/(sec 2x+1)dx=....+c`

A

`sec^(2)-c`

B

`tanx-x`

C

`sec^(2)x+x`

D

`tanx+x`

Text Solution

Verified by Experts

The correct Answer is:
B
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