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

How to square this : (Pi+m.c-Pf)^2 ?

2. Relevant equations

3. The attempt at a solution

I did : Pi^2 + m^2*c^2 + Pf^2....

but then I don't know the rest of the completion..

please help me..

Thank you in advance..

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# Homework Help: Compton Scattering Squaring

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