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| | <math> | | <math> |
| | \begin{eqnarray} | | \begin{eqnarray} |
| − | n! & = & \prod_{i=1}{n}i\\ | + | n! & = & \prod_{i=1}^{n}i\\ |
| − | & = & 1 \cdot 2 \cdot 3\cdot \dots \cdot n\\ | + | & = & 1 \cdot 2 \cdot 3\cdot \dotsc \cdot n\\ |
| | \end{eqnarray} | | \end{eqnarray} |
| | </math> | | </math> |