If x = log (1 + t^(2)) " and " y = t - t...

If `x = log (1 + t^(2)) " and " y = t - tan^(-1)t, " then" dy/dx ` is equal to

A

`1/2 (e^x-1)^(1//2)`

B

`e^x`

C

`e^x -1`

D

`x-y`

Verified by Experts

The correct Answer is:

A

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