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I have a problem with an exercice of potential theory, and dont know how to continue.

The ecuations are this:

[tex]\Phi {\left ( \nabla \frac{{\partial }}{{\partial t}} + \nabla (c· \nabla) \right ) = {\left ( - \frac{{\partial (c· \nabla)}}{{\partial t}} - \frac{{\partial^2 \epsilon \nabla}}{{\partial^2 t}}\right ) \vec {A}[/tex]

[tex]- \nabla \Phi \mu \sigma + \nabla \Phi \mu \epsilon \frac{{\partial }}{{\partial t}} = \nabla^2 \vec {A} - \left ( \nabla ( \nabla \vec {A}) - \left ( \mu \sigma \frac {\partial} {\partial t} \vec {A} + \mu \epsilon \frac{\partial^2 \vec {A}} {\partial^2 t} \right ) \right ) [/tex]

My question in: is the problem resolved, or I must continue? What must I do to end the problem?

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# Homework Help: Potential Theory

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