If y= log ((1-x^(2))/(1+ x^(2))), then (...

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

A

`(-4x)/(1-x^4)`

B

`(4x^3)/(1-x^4)`

C

`(1)/(4-x^4)`

D

`(-4x^3)/(4-x^4)`

Verified by Experts

The correct Answer is:

A

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