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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/(1+x^2)`

B

`xsqrt(1+x^2)`

C

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

D

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

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The correct Answer is:
D
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JMD PUBLICATION- A Gift paper from the publishers-Example
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