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If u=tan^(-1){(sqrt(1+x^2)-1)/x} and v=2...

If `u=tan^(-1){(sqrt(1+x^2)-1)/x}` and `v=2tan^(-1)x` , then `(d u)/(d v)` is equal to......

A

4

B

1

C

`1//4`

D

`-1//4`

Text Solution

Verified by Experts

The correct Answer is:
C
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