The partial differential equation partial^2z/partial x^2+ypartial^2z/partial y^2=0, y0 is:

Q74Section II (Mathematics)74 of 180

Classifying $u_{xx}+yu_{yy}=0$ on $y>0$

The partial differential equation $\dfrac{\partial^2z}{\partial x^2}+y\dfrac{\partial^2z}{\partial y^2}=0, y>0$ is:

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