SOLUTION: in how many ways can 9 persons be divided into 3 groups consisting of 4,3 and 2 persons?

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Question 910221: in how many ways can 9 persons be divided into 3 groups consisting of 4,3 and 2 persons?
Answer by Lenzky(18) About Me  (Show Source):
You can put this solution on YOUR website!
Use combination in your scientific calculator
9C4+9C3+9C2 =?
126+84+36= 246