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If tan ^(-1) ((1-x)/(1+x))= (1)/(2) tan^...

If `tan ^(-1) ((1-x)/(1+x))= (1)/(2) tan^(-1) x, x gt 0`, then x = ?

A

`(1)/sqrt(3)`

B

`-(1)/sqrt(3)`

C

`-sqrt(3)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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