Answer
See solution
Work Step by Step
The second column is 3 times the first column, so one nontrivial solution is $\begin{bmatrix}
3\\-1
\end{bmatrix}$. Any scalar multiple of this vector will be a nontrivial solution
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 - 1.5 Exercises - Page 49: 33
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