Answer
2
Work Step by Step
$A=\left[ \begin{matrix}
1 & 2 & 3 & \\
0 & -2 & 4 & \\
3 & 1 & 3 & \\
\end{matrix}
\right] $
To find the trace of a matrix calculate the sum of the main diagonal
entries.
$Tr(A)=1+(-2)+3=2$
Elementary Linear Algebra 7th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
1-13311-087-8
ISBN 13:
978-1-13311-087-3
Chapter 2 - Matrices - 2.1 Operations with Matrices - 2.1 Exercises - Page 50: 63
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
