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If an infini te square well had an initial wave function of Ψ(x, 0)-A(7Y, (x, 0) + 4Y, (x, 0) + 2Y, (x,0)] (a) normalize it using the Dirac notations. (5 points) (b) What is Ψ(x, t) for the wave function with the initial state? (5 points)

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