Question: Determine whether each of the following functions is a solution of Laplace's equation uxx + uyy =0.(Select all that apply.)u = x3+3xy2u = ex cos(y)

Determine whether each of the following functions is a solution of Laplace's equation uxx + uyy =0.(Select all that apply.)u = x3+3xy2u = ex cos(y) ey cos(x)u = x2+ y2u = lnx2+ y2u = x2 y2u = sin(x) cosh(y)+ cos(x) sinh(y)

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