A small acting club has
6
members. Two of the members are to be chosen for a trip to see a Broadway play. How many different
2
-member groups are possible?
2 answers
what is 6!/(2!4!)
and another way to consider it.
there are six folks for position A, and then 5 to consider for B. So 30 ways to get AB. But BA is the same group, so 30/2 is the number of different member groups.
there are six folks for position A, and then 5 to consider for B. So 30 ways to get AB. But BA is the same group, so 30/2 is the number of different member groups.