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Mathematics 18 Online
OpenStudy (anonymous):

HELP!!! Evaluate(try telescoping): Sum^(inf)_(n=1) 2/(n^2 +2n) p.s I wrote the formula down the comments of the question

OpenStudy (anonymous):

\[\sum_{n=1}^{\infty}\frac{ 2 }{ n^{2}+2n }\]

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