Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 10 - Section 10.4 - The Algebra of Matrices - 10.4 Exercises - Page 720: 1

Answer

Dimensions.

Work Step by Step

When adding or subtracting, each term in the matrix must have a corresponding term. If you have more or less on one side, the operation is impossible.
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