Can anyone help me with this question? I tried taking the derivative of u with respect to x and then summed the third derivative, but I'm getting nowhere. Any help would be great, thanks.(adsbygoogle = window.adsbygoogle || []).push({});

Let u(x1, x2, … , xn) = , where a is a constant, and n is given.

Find all the values of the constant a, if any, for which the function u satisfies the partial differential equation .

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# Finding a constant for a partial differential equation

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