subject
Mathematics, 19.03.2020 01:34 hannahmyung1113

A fixed point of a permutation f of {1, 2, . . . , n} is an i such that f(i) = i. A permutation of {1, 2, . . . , n} with no fixed points is called a derangement. Dn denotes the number of derangements of {1, 2, . . . , n}. (a) Make a list of the derangements of {1, 2, . . . , n} for n = 2 and n = 3.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:50
James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.
Answers: 1
question
Mathematics, 21.06.2019 14:00
Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart
Answers: 3
question
Mathematics, 21.06.2019 18:30
Analyze the graph of the cube root function shown on the right to determine the transformations of the parent function. then, determine the values of a, h, and k in the general equation.
Answers: 1
question
Mathematics, 21.06.2019 20:30
1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6
Answers: 1
You know the right answer?
A fixed point of a permutation f of {1, 2, . . . , n} is an i such that f(i) = i. A permutation of {...
Questions
question
Mathematics, 26.01.2022 14:00
question
Mathematics, 26.01.2022 14:00
Questions on the website: 13722363