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− | <math>\sum_{n = M}^N</math> | + | <math>\sum_{n = M}^N alpha^n</math> |
Revision as of 02:40, 20 July 2009
$ \sum_{n = M}^N alpha^n $
(New page: <math>\sum_{n = M}^N</math>) |
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− | <math>\sum_{n = M}^N</math> | + | <math>\sum_{n = M}^N alpha^n</math> |
$ \sum_{n = M}^N alpha^n $