I get confused by the operator algebra - this is the commutator for q & p from wikipedia(adsbygoogle = window.adsbygoogle || []).push({});

Am I correct on the intermediate step I plugged in there?

because of the product rule you get as the intermediate step:

=d/dx x Ψ(x) + x d/dx Ψ(x) - x d/dx Ψ(x)

and d/dx x =1

so

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# Is this correct

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