Answer
False.
Work Step by Step
False, the echelon form means that the diagonal contains $1$s and the $0$s are under the diagonal and this is the form we want to obtain because then the value of each variable is easily readable from the matrix.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 6 - Matrices and Determinants - Exercise Set 6.1 - Page 602: 65
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