The solution of the linear partial differential equation partial^2z/partial x^2-2partial^2z/partial xpartial y +partial^2z/partial y^2=0 is:

Q32Section II (Mathematics)32 of 190

A repeated-characteristic-root PDE

The solution of the linear partial differential equation $\dfrac{\partial^2z}{\partial x^2}-2\dfrac{\partial^2z}{\partial x\partial y} +\dfrac{\partial^2z}{\partial y^2}=0$ is:

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