this is the given:(adsbygoogle = window.adsbygoogle || []).push({});

the problem is the middle term, if the h-bar w outside the set brackets is cancelled with the h-bar w of the m/2hw, then there will be a h-bar w that is left introduced from the middle term, i.e.

[tex]i\frac{w}{m}XP- i\frac{w}{m}PX = i\frac{w}{m}[X,P]= i\frac{w}{m}i\hbar[/tex]

but there is no h-bar in the end result, as though h-bar w has been cancelled twice??

thanks in advance for any help

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# Missing h-bar in showing SHO in terms of ANHIL and CREA operators is correct

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