Trouble verifying Divergence Theorem

bratiskovci
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i having a some trouble verifying the Divergence theorem for A=y^2zex-2x^3yey+xyz^2ez with respect to V being a unit cube
 
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Can you show what you've tried?
(For starters, can you state the Divergence Theorem?)
 
I think he was reffering to gauss theorem.
well, it's purely technicallity, i.e the calculation, you should show in what exactly you don't succeed.
 
There are two things I don't understand about this problem. First, when finding the nth root of a number, there should in theory be n solutions. However, the formula produces n+1 roots. Here is how. The first root is simply ##\left(r\right)^{\left(\frac{1}{n}\right)}##. Then you multiply this first root by n additional expressions given by the formula, as you go through k=0,1,...n-1. So you end up with n+1 roots, which cannot be correct. Let me illustrate what I mean. For this...
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