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

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

A

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

B

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

C

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

D

None of these

Text Solution

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The correct Answer is:
A
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