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If y=sqrt((1-x)/(1+x)) then (1-x^2)dy/dx...

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

A

`y^2`

B

`1/y`

C

`-y`

D

`-y//x`

Text Solution

Verified by Experts

The correct Answer is:
C
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