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MATH
[1251]

Theorems from Euler's Basel sum

All theorems from Euler's Basel sum.

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Euler's evaluation of the Basel sum

The reciprocal-square series satisfies

∑n=1∞1n2=π26.\sum_{n=1}^{\infty}\frac1{n^2}=\frac{\pi^2}{6}.
  1. [1]:Proof

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