Questions on Algebra: Combinatorics and Permutations answered by real tutors!

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Question 161543: there are five students they will sit down on the bench. 2 students between that five students are A and B. how many ways A and B can sit down if A and B must be sit contiguous: there are five students they will sit down on the bench. 2 students between that five students are A and B. how many ways A and B can sit down if A and B must be sit contiguous
Answer by oscargut(682) About Me  (Show Source):