Answer
See below.
Work Step by Step
An orthogonal matrix is a square matrix in which columns and rows are orthogonal unit vectors:
$ Q^TQ=QQ^T=I$,
where $I$ is the identity matrix.
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 6 - 7 - Cumulative Test - Page 390: 31
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.
