Quantum harmonic oscillators DE wavefunction

moriheru
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My question concerns a really simple differential equation for the zeroth wavefunction of a harmonic oscillator.
I have pretty much got it but my solution just differs by a constant,so I thought why think when one can ask other people :). Here is the equation:

Snapshot.jpg


Where the x star represent a variable involving mass frequency and Plancks constant. There is a psi function missing in the second equation (for any latex tips please e-mail me)
(Posted to early so there was no equation on the original post;had to edit it)
 
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Sorry Latex is wrong change it in a minute. So here it is.
 
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Is should specify: the above is my solution and my question is what I did wrong as my book has a different solution.
Thanks for any help.
 

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