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I'm presently on my first set of homework for my 2nd QM class, and am stuck on the degeneracy issue.

I thought that I had a more comprehensive explanation of it in my notes from the first semester, but was not able to find them.

I know that I'm suppposed to take the sum of the squares of the choices---

[n_x]^2 + [n_y]^2 + [n_z]^2 will give me the total values of the n's, and that should then tell me my d value.

For the first 3 energy states-- n=1, 2, 3, d=1 for n=1, d=3 for n=2&3.

What is the general formula for degeneracy? One that would give me the total qty of choices?

Thanks.

Pardon me if I sound out of it. I had nasal surgery on friday, and am still not feeling all there.