2. Let S be the set [9] = {1.2..9}. 1 (D) How many derangements of S have 9 in the 2nd position and 1 in the last position? and

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.6: Permutations
Problem 12E
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2. Let S be the set [9] [1.2..9}.
1
2
(D) How many derangements of S have 9 in the 2nd position and 1 in the last
position?
the 2nd
Transcribed Image Text:2. Let S be the set [9] [1.2..9}. 1 2 (D) How many derangements of S have 9 in the 2nd position and 1 in the last position? the 2nd
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