Let S be the set [9] [1.2. (a) How many derangements 9). has the set S? (b) How many derangements of S have 9 in the 2nd position and 1 in the last. position? (c) List 5 derangements of S having 2 in the 3rd position and 5 in the 2nd position. 101

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.5: Permutations And Inverses
Problem 3E
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Let S be the set [9]{1.2.
9).
(a) How many derangements has the set S?
(b) How many derangements of S have 9 in the 2nd position and 1 in the last
position?
(c) List 5 derangements of S having 2 in the 3rd position and 5 in the 2nd
position.
101
Transcribed Image Text:Let S be the set [9]{1.2. 9). (a) How many derangements has the set S? (b) How many derangements of S have 9 in the 2nd position and 1 in the last position? (c) List 5 derangements of S having 2 in the 3rd position and 5 in the 2nd position. 101
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