# Divergence Theorem

1. Jun 2, 2009

### Harmony

http://img60.imageshack.us/img60/9696/21249035.jpg [Broken]

I am stuck at the last step. Can anyone give some hints?

Thanks in advanced.

Last edited by a moderator: May 4, 2017
2. Jun 2, 2009

### gabbagabbahey

Just choose a coordinate system so that one of your unit vectors is parallel to the surface normal, say $\hat{e}_1=\hat{n}$, and the others are orthogonal to it.

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