u-R-2-R-u-x-u-y-x-y-u-xy-

Question Number 324 by 123456 last updated on 25/Jan/15

u : R^{2} \to R

\frac{\partial u}{\partial x} + \frac{\partial u}{\partial y} = \frac{(x + y) u}{x y}

Answered by prakash jain last updated on 21/Dec/14

The equation is symmetric in x, y .

u = C x y is solution by inspection .