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tanh^(-1)x=alog|(1+x)/(1-x)|, |x| lt 1 r...

`tanh^(-1)x=alog|(1+x)/(1-x)|, |x| lt 1 rArr a =`

A

1

B

2

C

`(1)/(2)`

D

`(1)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
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