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If "tan"^(-1)(x+1)/(x-1)+"tan"^(-1)(x-1)...

If `"tan"^(-1)(x+1)/(x-1)+"tan"^(-1)(x-1)/(x)=tan^(-1)(-7)` then the value of x is

A

-2

B

0

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
C
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