Linear Algebra: A Modern Introduction

Published by Cengage Learning
ISBN 10: 1285463242
ISBN 13: 978-1-28546-324-7

Chapter 2 - Systems of Linear Equations - 2.1 Introduction to Systems of Linear Equations - Exercises 2.1 - Page 63: 22



Work Step by Step

Consider $4x_3=0 \implies x_3=0$ and $-5x_2+2x_3=0 \implies -5x_2+2(0)=0$ or, $x_2=0$ Now, $x_1+2x_2+3x_3=0 \implies x_1+2(0)+3(0)=0$ or, $x_1=0$ Our result is : $(x_1,x_2,x_3)=(0,0,0)$
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