College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 6, Matrices and Determinants - Chapter 6 Review - Exercises - Page 539: 35

Answer

$AB^2=\left[\begin{array}{c c} 27& 0&-21\\ -20& 5&13\\ -5& 22&-7\end{array} \right]$

Work Step by Step

Using a graphing calculator (see attached picture), we get: $AB^2=\left[\begin{array}{c c} 27& 0&-21\\ -20& 5&13\\ -5& 22&-7\end{array} \right]$
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