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x = (1-sqrt(y))/(1+sqrt(y)) rArr(dy)/(dx...

`x = (1-sqrt(y))/(1+sqrt(y)) rArr(dy)/(dx)` is equal to

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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