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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

`sqrt(2)`

D

`1//sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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