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Optimization Doodles and Dave's Amazing Summation (Redo)

Nov 4, 2022

A photo of a whiteboard titled: Optimization Doodles and Dave’s Amazing Summation (Redo)

Dave has an amazing summation: $\displaystyle \sum_{n=1}^\infty \frac{n^{13}}{e^{2\pi n} - 1} = \frac{1}{24}$

Moreover, this is exactly equal to the integral!

$\displaystyle \int_0^\infty \frac{x^{13}}{e^{2 \pi x} - 1} dx = \displaystyle \sum_{n=1}^\infty \frac{n^{13}}{e^{2\pi n} - 1} = \frac{1}{24}$

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