SOLUTION: Evaluate the expression. If P(n, 3) = 60, find n.

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Question 1142674: Evaluate the expression.
If
P(n, 3) = 60, find n.
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.

P(n,3) = n*(n-1)*(n-2).


So your equation is


    n*(n-1)*(n-2) = 60.


The  "trial and error"  method gives the solution momentarily:  n = 5.    ANSWER