Answer
This matrix is elementary.
Work Step by Step
This matrix is elementary. To obtain it from $I_3$ multiply the first row of $I_3$ by 2 and
add the result to the third row.
Elementary Linear Algebra 7th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
1-13311-087-8
ISBN 13:
978-1-13311-087-3
Chapter 2 - Matrices - 2.4 Elementary Matrices - 2.4 Exercises - Page 82: 6
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