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**1. Homework Statement**

1. Obtain an expression for operator of coordinate in momentum representation. To this end

begin with definition of the average coordinate

x = ∫ψ*(x)xψ(x)dx

express the wave functions as wave packets in terms of plane waves, and rewrite the

expression for average coordinate in such a way that it would have a form of an operator

acting on the wave functions in the momentum representation.

**2. Homework Equations**

Not sure

**3. The Attempt at a Solution**

Where do I start? I'm not sure what the question is even asking.