If 3sin^(-1)((2x)/(1+x^2))-4cos^(-1)((1-...

If `3sin^(-1)((2x)/(1+x^2))-4cos^(-1)((1-x^2)/(1+x^2))+2tan^(-1)((2x)/(1-x^2))=pi/3,` then `x` is equal to `1/(sqrt(3))` (b) `-1/(sqrt(3))` (c) `sqrt(3)` (d) - `(sqrt(3))/4`

A

`sqrt3`

B

`1/sqrt3`

C

1

D

`-1`

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The correct Answer is:

B

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