SOLUTION: Evaluate the given expression.
P(n, n − 2)
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Question 1066617: Evaluate the given expression.
P(n, n − 2)
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
So, I'm assuming that P represents the permutation function.
If this is the case, then remember that the formula for P(n,r) =
So, substituting r = n-2 gives us:
But n - (n-2) = 2.
So the answer is simply =
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