Difference between revisions of "Factorial"
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(Created page with "Let $n$ be an integer. Then the factorial of $n$, written $n!$, is the integer $$n!=n(n-1)(n-2)\ldots 3 \cdot 2 \cdot 1.$$") |
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Revision as of 21:16, 2 October 2014
Let $n$ be an integer. Then the factorial of $n$, written $n!$, is the integer $$n!=n(n-1)(n-2)\ldots 3 \cdot 2 \cdot 1.$$
