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OpenStudy (anonymous):
Determine whether this series is convergent or divergent by expressing sn as a telescoping sum. {n=2(sum)infinity} 2/(n^2-1)
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OpenStudy (zarkon):
\[\frac{2}{n^2-1}=\frac{1}{n-1}-\frac{1}{n+1}\]
OpenStudy (anonymous):
Awesome - thanks :)
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