Evaluate the following by first expressing each in terms of

Guest · Feb 17, 2007

Evaluate the following by first expressing each in terms of factorials.

P(6,2) = 6!- (6-2)! = 6!/4!--> BUT WHY?? I only was able to get this by looking at the answer, why do you do this though..

Thanks in advanced.

mark07 · Feb 17, 2007

\(\displaystyle \L P(n, k) = \frac{n!}{(n-k)!}\)

P(6,2) = 6!- (6-2)!

Where did you get the subtraction?

Evaluate the following by first expressing each in terms of

Guest

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mark07

Junior Member