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y = cot^(-1) (x^(2)), then dy/dx =...

`y = cot^(-1) (x^(2))`, then dy/dx =

A

`(2x)/(1+x^(4)`

B

`(2x)/(sqrt(1+4x))`

C

`(-2x)/(1+x^(4)`

D

`(-2x)/(sqrt(1+4x))`

Text Solution

Verified by Experts

The correct Answer is:
C
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