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intsqrt((e^x-1)/(e^x+1))dx is equal to...

`intsqrt((e^x-1)/(e^x+1))dx` is equal to

A

`l n(e^(x)+sqrt(e^(2x)-1))-sec^(-1)(e^(x))+C`

B

`l n(e^(x)+sqrt(e^(2x)-1))+sec^(-1)(e^(x))+C`

C

`l n(e^(x)-sqrt(e^(2x)-1))-sec^(-1)(e^(x))+C`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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