SOLUTION: For a set of 9 elements, find the number of different subsets of size 3.

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Question 955571: For a set of 9 elements, find the number of different subsets of size 3.
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
We want the total combinations of 9 items taken 3 at a time,
number of different subsets of size 3 = 9! / (3!*(9-3)!) = 84