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

`3 sin ^(-1) ""(2x)/(1+x^(2))-4cos^(-1)""(1-x^(2))/(1+x^(2))+2tan^(-1)""(2x)/(1-x^(2))=pi/3`

A

`sqrt(3)`

B

`(1)/(sqrt(3))`

C

1

D

`(2)/(sqrt(3))`

Text Solution

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The correct Answer is:
B
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