# Partial Differential Equation

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• January 29th 2011, 06:20 PM
kjchauhan
Partial Differential Equation
There is problem to find Lagrange's solution of first order partial differential equation:

$z=xp+yq+a\sqrt{x^2+y^2+z^2}$

Where

$p=\frac{\partial z}{\partial x}$ and $q=\frac{\partial z}{\partial y}$, and $z$ is a dependent variable.

Thanks in advance..