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Probability question

Screenshot 2018-02-22 12.46.11.png

How do I do 3d)? I have think I have to use the probability density equation in some way.
Original post by Airess3
Screenshot 2018-02-22 12.46.11.png

How do I do 3d)? I have think I have to use the probability density equation in some way.



(d) can be seen as a “trick” question.

You need to take the inner product of the eigenfunction u3 and ψ(x,t) first. Then square it find the probability.


u3ψ2 {{\left| \left\langle {{u}_{3}} | \psi \right\rangle \right|}^{2}}

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