Line 1: | Line 1: | ||
− | <math>\sum_{n = M}^N alpha^n</math> | + | <math>\sum_{n = M}^N \alpha^n</math> |
Revision as of 01:40, 20 July 2009
$ \sum_{n = M}^N \alpha^n $
Line 1: | Line 1: | ||
− | <math>\sum_{n = M}^N alpha^n</math> | + | <math>\sum_{n = M}^N \alpha^n</math> |
$ \sum_{n = M}^N \alpha^n $