Answer
See solution
Work Step by Step
Since if $T$ is onto, then there is at least one vector $x$ in domain of $T,$ for every vector $y$ in codomain of $T$ so that $T(x)=y .$ In other words, solution exist for every right side $T x=y$
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 - 1.9 Exercises - Page 80: 34
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