xsqrt(1+y)+ysqrt(1+x)=0 then (dy)/(dx)=...

`xsqrt(1+y)+ysqrt(1+x)=0` then `(dy)/(dx)=`

A

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

B

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

C

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

D

None of these

Verified by Experts

The correct Answer is:

B

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