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    Partial Differential Equations and the Lagrange Method

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    1. solve X*U_x + Y*U_y =0 answer is suppose to be U(X,Y)=f(Y/X)
    2. solve U_x + U_y =1 answer unknown

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    https://brainmass.com/math/partial-differential-equations/partial-differential-equations-lagrange-method-163979

    Solution Summary

    Partial Differential Equations are solved using the Lagrange Method.

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