SOLUTION: nCn-2=10. solve to find 'n' different?

SOLUTION: nCn-2=10. solve to find 'n' different?

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Question 847247: nCn-2=10. solve to find 'n' different?
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
nC(n-2) =

So we have that

n = 5.

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