Answer
True.
Work Step by Step
The Identity Property
If $A$ is an $m$ by $n$ matrix, then $I_{m}A=A$ and $AI_{n}=A$.
is very similar to the property of 1, the multiplicative identity of real numbers,
$1\cdot x=x\cdot 1=x.$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 8 - Section 8.4 - Matrix Algebra - 8.4 Assess Your Understanding - Page 597: 5
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