f(x,y)=ln(4x^2+4y^2) show that the function is a harmonic series.
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Originally Posted by Link88 f(x,y)=ln(4x^2+4y^2) show that the function is a harmonic series. Do you mean to show that the function is harmonic? To do so, show that satisfies Laplace's Equation Can you take it from here?
Well I took the derivatives of both fx and fy but got 2y + 2x = 0 which can't be it : /
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