Need Help for Quantum mechanics Problem
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Question
evaluate the commutator a.) [x^2 d^2/dy^2, y d/dx] b.) [1/x,Px^2] c.) [xPy-yPx, yPz-zPy]
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evaluate the commutator a.) [x^2 d^2/dy^2, y d/dx] b.) [1/x,Px^2] c.) [xPy-yPx, yPz-zPy]