Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 8 - Section 8.4 - Multiplicative Inverses of Matrices and Matrix Equations - Exercise Set - Page 933: 60


A linear equation of the multiplication matrix containing three unknown variables $ x,y,z $ is: $\begin{align} & {{a}_{11}}x+{{a}_{12}}y+{{a}_{13}}z={{b}_{1}} \\ & {{a}_{21}}x+{{a}_{22}}y+{{a}_{23}}z={{b}_{2}} \\ & {{a}_{31}}x+{{a}_{32}}y+{{a}_{33}}z={{b}_{3}} \end{align}$

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