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x sqrt(1 + y) + y sqrt(1 + x) =0implies ...

`x sqrt(1 + y) + y sqrt(1 + x) =0implies (dy)/(dx)=`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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