4.3.5 ND Prove that x = 0 is the only solution to Ar = 0 if and only if the rank of the px q matrix A equals q, the number of unknowns.
4.3.5 ND Prove that x = 0 is the only solution to Ar = 0 if and only if the rank of the px q matrix A equals q, the number of unknowns.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.7: The Inverse Of A Matrix
Problem 30E
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