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if y=sec(tan^(-1)x), then (dy)/dx is equ...

if `y=sec(tan^(-1)x), then (dy)/dx is equal to

A

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

B

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

C

`pm (x)/(sqrt(1 + x^2))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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