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## Homework Statement

Gauss's Law is often given as:

[tex]\nabla \cdot \vec{E} = \rho/ \epsilon_0 [/tex]

However E is, in general a function of position, so the equation is really

[tex]\nabla \cdot \vec{E}(\vec{r}) = \rho(\vec{r}) /\epsilon_0[/tex]

correct?