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int (dx)/(sqrt(e^(x)-1) ) =...

`int (dx)/(sqrt(e^(x)-1) ) =`

A

`2 tan^(-1) (sqrt(e^(x)-1))`

B

`tan^(-1)(e^(x)-1)`

C

`tan^(-1)(e^(x)+1)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
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