aslal. llal-1b||

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
SectionP.2: Real Numbers
Problem 90E
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please show the proof of (e) and (f)
Theorem
(Properties of the Absolute Value)
Let a, beR. Then
(a) If al = |b| then either a = b or a = -b.
%3D
|q||e| = |ge| (q)
If a +0 then |la-1| = la-1.
If b o then lab-| = |a||b|-1.
a < lal.
llal-1b||<la + b < lal+ |b|
%3D
Transcribed Image Text:Theorem (Properties of the Absolute Value) Let a, beR. Then (a) If al = |b| then either a = b or a = -b. %3D |q||e| = |ge| (q) If a +0 then |la-1| = la-1. If b o then lab-| = |a||b|-1. a < lal. llal-1b||<la + b < lal+ |b| %3D
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