## In three dimensions we not only have line integrals, but also surface and volume integrals.

## The fundamental theorem of divergences relates volume and surface integrals:

- The right-hand side of this equation is called the flux of the vector function through the surface that bounds the volume (e.g. total electric flux).
- The left-hand side of this equation is called the source term of the vector function (e.g. total enclosed electric charge).

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