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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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