In how many ways can 8 people be seated in a row if persons A and B must sit next each other? Select one: O a. none O b. 2!*7! O c. 8! O d. 2!*6! e. 2!
In how many ways can 8 people be seated in a row if persons A and B must sit next each other? Select one: O a. none O b. 2!*7! O c. 8! O d. 2!*6! e. 2!
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.6: Permutations And Combinations
Problem 5SC: In how many ways can 5 people stand in a line if one person demands to be first?
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