Why 1 + 2 + 3 + 4 + … = -1/12

tomcircle's avatarMath Online Tom Circle

Zeta function

$latex zeta (-1) = 1 + 2 + 3 + 4 + … = – frac {1}{12} $

Why -1/12 is a gold nugget:

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Author: tomcircle

Math amateur

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