Formula q_339 (Q237): Difference between revisions

Latest revision as of 13:02, 20 April 2020

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Language	Label	Description	Also known as
English	Formula q_339	No description defined

q_339

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\sum _{n\geq 1}{\frac {1}{n^{2}+1}}={\frac {\pi \coth \pi -1}{2}}

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@@ Property / arqmath formula id @@
+q_339
@@ Property / arqmath formula id: q_339 / rank @@
+Normal rank
@@ Property / Defining formula @@
+ $\sum _{n\geq 1}{\frac {1}{n^{2}+1}}={\frac {\pi \coth \pi -1}{2}}$ 
\sum_{n\geq1}\frac1{n^2+1}=\frac{\pi\coth\pi-1}2
+Normal rank