4. Answer these two questions:a) In how many ways can the letters in ARRANGEMENT be arranged so that there are exactlytwo pairs of consecutive identical letters? at least two pairs of consecutive identical letters?b) Answer part (a), replacing two with three.

4. Answer these two questions:a) In how many ways can the letters in ARRANGEMENT be arranged so that there are exactlytwo pairs of consecutive identical letters? at least two pairs of consecutive identical letters?b) Answer part (a), replacing two with three.

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.5: Counting Principles

Problem 5SE: Answer the following questions. 5. What is the term for the arrangement that selects r objects from...

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Question

4. Answer these two questions:
a) In how many ways can the letters in ARRANGEMENT be arranged so that there are exactly
two pairs of consecutive identical letters? at least two pairs of consecutive identical letters?
b) Answer part (a), replacing two with three.

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