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 compute c9,2

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compute c9,2

 Oct 13, 2014

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 #1
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9C2  =  9! / ( 2! · (9-2)! )  =  9! / ( 2! · 7! )  =  36

 Oct 13, 2014

1+0 Answers

 #1
avatar+23254 
+5
Best Answer

9C2  =  9! / ( 2! · (9-2)! )  =  9! / ( 2! · 7! )  =  36

geno3141 Oct 13, 2014

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