1.) By using the commutator calculate the commutator: Note that the commutator xp - px is denoted by the commutator bracket [x,p], etc. 2.) Verify the following properties of commutators: a.) b.) c.) d.)

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Originally Posted by DiscreteW 1.) By using the commutator calculate the commutator: Note that the commutator xp - px is denoted by the commutator bracket [x,p], etc. 2.) Verify the following properties of commutators: a.) b.) c.) d.) Try reading this.

For #1 you might find these theorems helpful: and I couldn't find a link to provide an explanation, but you should be able to find a derivation in any entry level QM text. -Dan