#### Answer

$E-2A$ is not defined. Because $A$ and $E$ have different sizes. Namely, the size of $A$ is $3\times 4$ and the size of $E$ is $4\times 3$.

Published by
Cengage Learning

ISBN 10:
1-13311-087-8

ISBN 13:
978-1-13311-087-3

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.