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    Mathematical methods of physics problem

    thank you both for helping :)
  2. G

    Mathematical methods of physics problem

    ok.thanks for help :)
  3. G

    Mathematical methods of physics problem

    Homework Statement Here's the problem. Verify the operator identity x - d/dx = -exp (-x^2 / 2) d /dx exp (-x^2 / 2) Can someone please help me? Thanks :) Homework Equations The Attempt at a Solution