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Old 04-23-2005, 11:12 PM
BruceZ BruceZ is offline
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Default correction

[ QUOTE ]
and P(5,n-2) is permutations of 5 things taken n-2 at a time = 5!/(n-2)!

[/ QUOTE ]

P(5,n-2) = 5!/[5-(n-2)]! = 5!/(7-n)!
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