Let D be a "nice" bounded domain in R3 with boundary surface S and let F =-k del(1/r). Show that the outward flux over S is [tex]k4\pi[/tex] if the origin lies in D and 0 if the origin lies outside D U S.(adsbygoogle = window.adsbygoogle || []).push({});

I don't understand the notation for F. What is del of 1/r?

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# Homework Help: Outward flux problem

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