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Solve for x, cos^(-1)((x^(2)-1)/(x^(2)+1...

Solve for x, `cos^(-1)((x^(2)-1)/(x^(2)+1))+tan^(-1)((-2x)/(1-x^(2)))=(2pi)/(3)`

A

`pi`

B

0

C

`tan^(-1)2`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
a,c
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