SOLUTION: n! / r! = n(n-1)(n-2)....(r+1)

SOLUTION: n! / r! = n(n-1)(n-2)....(r+1)

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Question 784469: n! / r! = n(n-1)(n-2)....(r+1)
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
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