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

If `y="sec"(tan^(-1)x),` then `(dy)/(dx)` at `x=1` is equal to: `1/(sqrt(2))` (b) `1/2` (c) 1 (d) `sqrt(2)`

A

1

B

`sqrt(2)`

C

`(1)/(sqrt(2))`

D

`(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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