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If (x -1) (x^(2) + 1) gt 0, then find th...

If `(x -1) (x^(2) + 1) gt 0`, then find the value of `sin((1)/(2) tan^(-1).(2x)/(1 - x^(2)) - tan^(-1) x)`

A

1

B

`1/sqrt2`

C

`-1`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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