Precalculus: Mathematics for Calculus, 7th Edition

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

Chapter 10 - Section 10.5 - Inverses of Matrices and Matrix Questions - 10.5 Exercises - Page 732: 38

Answer

$ \displaystyle \left[\begin{array}{ll} 13/7 & 4/7 & 8/7\\ -8/7 & -17/7 & -6/7\\ 31/7 & 9/7 & -10/7 \end{array}\right]$

Work Step by Step

The question asks to use a graphing calculator to find $B^{-1}AB$ Work is done with the online matrix calculator desmos.com/matrix See image below. A and B are given in the image.
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