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

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

A

`(1)/(sqrt2)`

B

`(1)/(2)`

C

1

D

`sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
A
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