### Atrophied Knowledge

Holy cow, I actually found the relative maxima of a polynomial function today. Then I solved a system of linear equations using linear algebra. Not that I really remembered how to do any of that stuff; I had to read up on the latter quite a bit. Bits and pieces came back to me, after doing so I had a few moments of Oh yeah, I used to know how to do that stuff and even understand how it worked.

I don't think I ever solved a system of linear equations outside of my linear algebra class, nor have I taken the derivative of a function since my physics classes in college. I guess all this book-learnin' paid off after all.

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