Linear Algebra: A Modern Introduction

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

Chapter 1 - Vectors - 1.1 The Geometry and Algebra of Vectors - Exercises 1.1 - Page 16: 9

Answer

$\frac{5}{-5}$

Work Step by Step

1) d-c=$[\frac{3}{-2}]$-$[\frac{-2}{3}]$=$[\frac{5}{-5}]$ 2) To obtain result geometrically, draw vector d in standard position. After that draw vector -c such that the tail of -c is the same point as the head of d. Then, vector d-c has tail at origin and head at the same point as -c has. 3) See diagram
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