If x sqrt(1 + y) + y sqrt(1 + x) = 0, th...

If `x sqrt(1 + y) + y sqrt(1 + x) = 0,` then prove that `dy/dx = - (1 + x)^(-2).`

A

0

B

`-1`

C

1

D

`(1)/(2)`

Verified by Experts

The correct Answer is:

B

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