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School Help » Math » Permutations

Permutations

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1Permutations Empty Permutations Wed Jan 14, 2015 8:33 pm

JakeY


Expert Elite
Expert Elite

What is the equation for a permutation?

2Permutations Empty Re: Permutations Sat Jan 17, 2015 4:13 pm

5208114


Valued Contributor
Valued Contributor

If it is 9C2 it is 9x8/2! it's basically the first number and the numbers before that. The limit is the second number. for 9C2 it is the first two numbers from nine (9 and Cool. For the denominator, it is the second number factorial.

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School Help » Math » Permutations

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