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

If y = log `1-x^(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))`

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The correct Answer is:
A
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