Answer
True
Work Step by Step
By definition an $m×n$ matrix $A $ with linearly independent columns. Then, for each $b ∈ R^m$, the equation $Ax = b$ always has a unique solution.
Differential Equations and Linear Algebra (4th Edition)
by Goode, Stephen W.; Annin, Scott A.
Published by
Pearson
ISBN 10:
0-32196-467-5
ISBN 13:
978-0-32196-467-0
Chapter 5 - Inner Product Spaces - 5.4 Least Squares Approximation - True-False Review - Page 375: d
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