Finite Arithmetic Series Formula ECE301Fall2008mboutin - Rhea
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Revision as of 14:21, 9 October 2008 by
Thomas34
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If
$ \{a_1,a_2,...,a_n\} $
is arithmetic, then
$ \sum_{i=1}^n a_i = \frac{n(a_1 + a_n)}{2} $
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