Answer
1. Check if the matrices have the same dimension. If they don't, the sum is not defined.
2. The sum will be a matrix with the same dimension.
3. Position by position, add the corresponding entries.
Work Step by Step
- no extra steps -
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 9 - Systems and Matrices - 9.7 Properties of Matrices - 9.7 Exercises - Page 929: 23
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