Calculate the following commutators: a) [x, i d/dx ] b) [x, d/dy ] c) [-d^2/dx^2, x ]
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Originally Posted by myoplex11 Calculate the following commutators: a) [x, i d/dx ] b) [x, d/dy ] c) [-d^2/dx^2, x ] The best way I know to calculate these are to operate on an arbitrary function. a) for example: So operate this on some function : (Remember we need to use the product rule on the last term.) Thus Thus -Dan
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