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- Homework Statement
- It is about normalisation I am posting the image of the question down below

- Homework Equations
- Integral { psi(X,t) = |psi(X,t)|^2 dx} from X=-inf to X= + inf

My problem is in (b) it written sketch psi (X,0) as function of X , why the answer was like this

I didn't understand the branch from a to b

Best