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Mathematics 21 Online
OpenStudy (anonymous):

How many different vertical arrangements are there if 9 flags if 4 are white, 3 are red, and 2 are blue?

OpenStudy (zarkon):

multinomial coefficient

OpenStudy (anonymous):

what is that? @Zarkon

OpenStudy (zarkon):

do you know how many you would have if all the flags were distinct?

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