Interesting approach, just divide out the denominator.
For those who are curious, the general formula for permutations is:
n! / (n-s)!
where n is the number of objects you are considering and s is the number of objects in each set. Apply this to each of the two categories and then multiply.
Quote:
Originally Posted by Davonu
(7x6x5)x(9x8x7)
What Tuccillo said.  |