This is actually part of a homework question for my Quantum Mechanics course but it is purely a math question.(adsbygoogle = window.adsbygoogle || []).push({});

1 = A^{2}[tex]\int[/tex]e^{-2(x/a)2}sin^{2}(kx)

Note: for some reason the integral is showing up as a psi.

where A, a, and k are constants and the integral is from -inf to inf (or 0 to inf with a constant 2 multiplying because the integrand is symmetric)

What I am trying to do is solve for A. For the integral, there aren't any common forms that it matches up with that I am aware of. I've tried IBP but it seems to just get more and more complicated as it goes along. Any suggestions would be awesome.

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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# Tough integral

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