1.

If e^(x+y) =xy then (dy)/(dx) =

Answer»

`(y (1-X))/(x(y-1))`
`(-y (1-x))/(x(y-1))`
`(x (y-1))/(y(1-x))`
`(-x (y-1))/(y(1+x))`

ANSWER :A


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