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

Calculate [tex]\Delta x = \sqrt{\left\langle(x - \left\langle x \right\rangle )^2 \right\rangle}[/tex] if [tex]\left\langle x \right\rangle = 0 [/tex] and [tex]\left\langle x^2 \right\rangle = a^2(\frac{\pi - 6}{12 \pi^2})[/tex]

2. The attempt at a solution

[tex]\left\langle(x - \left\langle x \right\rangle )^2 \right\rangle = \left\langle x^2 - 2x \left\langle x \right\rangle + \left\langle x \right\rangle ^2 \right\rangle[/tex]

How can I proceed here?

(Also, can sby tell me the name of the markup language I am using?)

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# Homework Help: Expectation value problem

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