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when toggle format what by license comment
Oct 4, 2019 at 22:38 vote accept Justthisguy
Oct 4, 2019 at 19:18 comment added Anton Petrunin P.S. I would expect that $L=1$. The above argument seems to give $\pi$ instead.
Oct 4, 2019 at 18:53 history answered Anton Petrunin CC BY-SA 4.0