Bunuel wrote:
How many different ways can two basketball teams be formed from 7 friends?
(1) Any combination of players is allowable except those with one or two members.
(2) All teams must have at least 3 players.
I’ll start from the secondone.
(2) All teams must have at least 3 players
The only way we can actually divide 7 players into groups with at least 3 players is when one group will consist of 3 players and another one from 4. We can’t make team from one left player so he/she should be added
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