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If f(x)=cot^(-1)((x^(x)-x^(-x))/(2)) the...

If `f(x)=cot^(-1)((x^(x)-x^(-x))/(2))` then f'(1) equals

A

-1

B

1

C

log 2

D

`-log 2`

Text Solution

Verified by Experts

The correct Answer is:
A
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