Question: This happens if a PDE involves derivatives with respect to one variable only (or can be transformed to such a form), so that the other

This happens if a PDE involves derivatives with respect to one variable only (or can be transformed to such a form), so that the other variable(s) can be treated as parameter(s). Solve for u = u(x, y):

uyy + 6uy + 13u = 4e3y

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Multiply by 6 to get 6uyy 36u 4ey Divide through by 6 and substitute y with ex 8uyy 2u 3ex C... View full answer

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