College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 6 - Matrices and Determinants - Exercise Set 6.4 - Page 641: 81

Answer

Makes sense.

Work Step by Step

Linear systems can be represented by matrix equations of the form $AX=B$ in which $A$ is the coefficient matrix and $B$ is the constant matrix. If $AX=B$ has a unique solution, then $X=A^{-1}B$. $AX$ is matrix multiplication. Makes sense.
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