Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 6 - Linear Transformations - Review Exercises - Page 337: 38

Answer

$1$

Work Step by Step

According to the Sum of Rank and Nullity Theorem (the sum of the rank and the nullity of $T$ equal the dimension of the domain), $Nullity(T)=dim(M_{2,2})-rank(T)=(2+2)-3=1$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.