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## Homework Statement

The question says to solve the Schrodinger equation for a particle in a box with periodic conditions and then it gives.

ψ(0)=ψ(a)

## The Attempt at a Solution

I used the above BC and I also did it as its derivative. (It wasn't stated but I assumed it was implied. I had no other way to solve for anything.)

Here is my work..

http://imageshack.us/a/img853/9774/qmproblem2.jpg [Broken]

I was able to get the Energies, but I now have nothing left to solve for A and B! I was thinking of setting ψ(0)=0 or ψ(a)=0 but I don't know if this is correct because it is the same as the non-periodic condition.

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