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Please help me I am struggle with this question
Thank you in advance
Thank you for helping meWell, do you know what a Harmonic Function is?
In this case, to be Harmonic, you would need $\displaystyle \begin{align*} \frac{\partial ^2 u}{\partial x^2} + \frac{\partial ^2 u}{\partial y^2} = 0 \end{align*}$...