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Revision history of "2000 SMT/Advanced Topics Problems/Problem 3"

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  • (cur | prev) 08:27, 24 July 2020‎ Orca25 (talk | contribs)‎ . . (531 bytes) (+531)‎ . . (Created page with "==Problem== Evaluate <math>\sum^{\infty}_{n=1}\frac{1}{n^2+2n}.</math> ==SMT Solution== We know that <math>\frac{1}{n^2+2n}=\frac{1}{n(n+2)}=\frac{\frac{1}{n}-\frac{1}{n+...")
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