show that the function f(x,y)= (x^3)(y)-(x)(y^3) is a harmonic function.

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- May 26th 2009, 07:16 PMLink88Harmonic Functions
show that the function f(x,y)= (x^3)(y)-(x)(y^3) is a harmonic function.

- May 26th 2009, 09:02 PMThePerfectHacker