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We have a free particle in one dimension at a time t = 0, the initial wave function is
V(x,0) = Aer|æ|
where A and r are positive real constants.
Normalise the wavefunction ¥ (x,0).

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To answer the question, we first write the Normalization condition for a wave function, and then use the given wave function to find value of constant "A" that normalizes the wave function. The details are as below.

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