Which of the following are always true, and which are not always true? Give reasons for your answers. a. u .u = |u | b. u * 0 = 0 * u = 0 c. u * (-u) = 0
Which of the following are always true, and which are not always true? Give reasons for your answers. a. u .u = |u | b. u * 0 = 0 * u = 0 c. u * (-u) = 0
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 87E
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Which of the following are always true, and which are not always true? Give reasons for your answers.
a. u .u = |u |
b. u * 0 = 0 * u = 0
c. u * (-u) = 0
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