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Q67Section II (Mathematics)67 of 190

Classifying a first-order PDE with zz-dependent coefficients

The partial differential equation (x2+z2)∂z∂x−xy∂z∂y=z3x+y2(x^2+z^2)\dfrac{\partial z}{\partial x}-xy\dfrac{\partial z}{\partial y}=z^3x+y^2 is:

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