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if y=(1+1/x^(2))/(1-1/(x)^(2)),then (dy...

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

A

`(-4x)/((x^(2)-1)^(2)`

B

`(-4x)/(x^(2)-1)`

C

`(1-x^(2))/(4x)`

D

`(4x)/(x^(2)-1)`

Text Solution

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The correct Answer is:
A
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