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

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

A

`(a-b)/(1-a b)`

B

`(1+a b)/(a-b)`

C

`(a b-1)/(a+b)`

D

`(a-b)/(1+a b)`

Text Solution

Verified by Experts

The correct Answer is:
D
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