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− | <math>\sum_{k=0}^n x^k = \frac{1-x^{n+1}}{1-x} </math> | + | Finite Geometric Series: <math>\sum_{k=0}^n x^k = \frac{1-x^{n+1}}{1-x} </math> |
Revision as of 08:50, 1 October 2008
Finite Geometric Series: $ \sum_{k=0}^n x^k = \frac{1-x^{n+1}}{1-x} $