Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 5 - Inner Product Spaces - 5.1 Length and Dot Product in Rn - 5.1 Exercises - Page 235: 19


Distance=$=2\sqrt 2$ units.

Work Step by Step

Distance =Distance $=\sqrt {1−(−1))^{2}+(−1−1)^{2}}$ $=\sqrt {2^{2}+2^{2}}$ $=\sqrt 8 $ $=2\sqrt 2$ units.
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