(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Hi, I would like to know what is the right way to write continous deltas standing in a circle of radius a?

2. Relevant equations

3. The attempt at a solution

I am not sure weather it's δ(r-a) or is it

δ(r-a)/|r-a|

Thank you

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# Homework Help: Dirac Delta in polar coordinates

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