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If (tan^(-1)x)^2+(cot^(-1)x)^2=(5pi^2)/8...

If `(tan^(-1)x)^2+(cot^(-1)x)^2=(5pi^2)/8,` then find `xdot`

A

1

B

-1

C

`(1)/sqrt(3)`

D

`-(1)/sqrt(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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