# Difference between revisions of "User talk:PaoloMartini"

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+ | <math>\sum_{i=0}^n a_i \sum_{j=0}^i {n \choose k} x^{n-j} (-1)^j</math> | ||

+ | <math>\sum_{i=0}^n {n \choose k} x^{n-i} (-1)^i \sum_{j=i}^n a_j </math> |

## Revision as of 22:28, 14 September 2006