SOLUTION: Twelve persons are to sit at a round table. Two particular people insist on sitting opposite each other. Find the number of ways the twelve can be seated.
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-> SOLUTION: Twelve persons are to sit at a round table. Two particular people insist on sitting opposite each other. Find the number of ways the twelve can be seated.
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Question 934786: Twelve persons are to sit at a round table. Two particular people insist on sitting opposite each other. Find the number of ways the twelve can be seated. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! If the 2 people that want to be are seated
opposite each other, there are 2 ways to
to do this a opposite b, and then switch
seats, b opposite a
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They can do this for 6 seats to make all the
possibilities, so possible
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There are 10 seats left once they are seated,
and the possible seatings of 10 people is:
Factoring in the seatings for the opposite ones,
I get:
You can do the math
Hope I got it
