College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.2 - Real Numbers and Their Properties - R.2 Exercises - Page 19: 102


Property 5

Work Step by Step

Property 5 (the triangle inequality) states that the absolute value of the sum of two real numbers is less than or equal to the sum of their absolute values: |a + b| $\leq$ |a| + |b|
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