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If y= sec (tan^(-1)x)," then "(dy)/(dx)"...

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

A

`1/2`

B

1

C

`sqrt2`

D

`1/sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
D
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