Answer
$a=5$ and $b=6$
Work Step by Step
If $T(\vec{x})=\mathbf{A}\vec{x}=\vec{b}$ where $\vec{x}$ is an $a$-dimensional vector and $\vec{b}$ is a $b$-dimensional vector, then then $\mathbf{A}$ must have $b$ rows and $a$ columns.
Linear Algebra and Its Applications (5th Edition)
by Lay, David C.; Lay, Steven R.; McDonald, Judi J.
Published by
Pearson
ISBN 10:
032198238X
ISBN 13:
978-0-32198-238-4
Chapter 1 - Linear Equations in Linear Algebra - 1.8 Exercises - Page 69: 7
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.
