Exercise 9.2.24. Find matrix inverses in Z26 for the following matrices. If no inverse exists, then prove there is no inverse. (a) 9 2 4 (c) 4 11 20 5 3 2 2 2 (d) ( ) 2 3 (b) 23 2 3 4

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.3: The Inverse Of A Matrix
Problem 8EQ: In Exercises 1-10, find the inverse of the given matrix (if it exists) using Theorem 3.8. 8.
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Please do part a and c and please show step by step and explain

Exercise 9.2.24. Find matrix inverses in Z26 for the following matrices. If
no inverse exists, then prove there is no inverse.
(a)
9 2
4
(c)
4 11
20 5
3 2
2 2
(d)
( )
2 3
(b)
23 2
3 4
Transcribed Image Text:Exercise 9.2.24. Find matrix inverses in Z26 for the following matrices. If no inverse exists, then prove there is no inverse. (a) 9 2 4 (c) 4 11 20 5 3 2 2 2 (d) ( ) 2 3 (b) 23 2 3 4
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