SOLUTION: Please differentiate the following.
d/dx[y/(x^2 + y^2)] + d/dy[ (-x/(x^2 + y^2)]
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Question 944577:  Please differentiate the following.
d/dx[y/(x^2 + y^2)] + d/dy[ (-x/(x^2 + y^2)] 
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
 Let ,
Similarly, 
Adding them together,
 
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