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If (d)/(dx)(tan^(-1)x)^(2)=k tan^(-1)x*(...

If `(d)/(dx)(tan^(-1)x)^(2)=k tan^(-1)x*(1)/(1+x^(2))`, then the value of k is -

A

1

B

-2

C

2

D

-1

Text Solution

Verified by Experts

The correct Answer is:
C
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