Is it possible to simply or rewrite(adsbygoogle = window.adsbygoogle || []).push({});

[tex]

\nabla_{\vec{r}}\iiint\frac{f(\vec{r}\,')\mathrm{d}\vec{r}\,'}{4\pi|\vec{r}-\vec{r}\,'|}

[/tex]

[tex]

\nabla_{\vec{r}}\times\iiint\frac{\vec{A}(\vec{r}\,')\mathrm{d}\vec{r}\,'}{4\pi|\vec{r}-\vec{r}\,'|}

[/tex]

?

What's a good reference (internet, book) to learn this sort of vector analysis?

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# Vector analysis: \nabla applied on integral?

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