SOLUTION: Please differentiate the following. d/dx[y/(x^2 + y^2)] + d/dy[ (-x/(x^2 + y^2)]

Algebra ->  Functions -> SOLUTION: Please differentiate the following. d/dx[y/(x^2 + y^2)] + d/dy[ (-x/(x^2 + y^2)]      Log On


   

Question 944577: Please differentiate the following.
d/dx[y/(x^2 + y^2)] + d/dy[ (-x/(x^2 + y^2)]
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let u=x%5E2%2By%5E2,

Similarly,

Adding them together,
d%28y%2F%28x%5E2+%2B+y%5E2%29%29%2Fdx+%2B+d%28%28-x%29%2F%28x%5E2+%2B+y%5E2%29%29%2Fdy=0