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David Radcliffe /
npub19ex…vnda
2024-11-02 22:38:08

David Radcliffe on Nostr: Does the following equation have a nice geometric interpretation? ...

Does the following equation have a nice geometric interpretation?

\[\sum_{n=2}^{\infty} \tanh^{-1} \frac{1}{n^3} = \tanh^{-1} \frac{1}{5}\]
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npub19ex99kwdn49rvjjja3glrg7du7hn4t5q86wkpe0vqkpe0cmqn2usmwvnda