Hello, this is just a general question, how is <x^2> evaluated, if(adsbygoogle = window.adsbygoogle || []).push({});

<x> = triple integral of psi*(r,t).x.psi(r,t).dr (this is the expectation value of position of wavepacket)

Is it possible to square a triple integral? Is <x^2> the same as <x>^2 ?

I'm only wondering how the squared works in this situation, I would understand how to use <x> if the square wasn't there.

Thank you!

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# Expectation value of position of wavepacket

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