SOLUTION: nP2 = 12. Solve for n.

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Question 188747: nP2 = 12. Solve for n.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
nP2=12
n!/(n-2)!=12
4*3=12
4*3*2/2=12
(n-2)!=2!
n=4
.
Ed