The positive part of an a R is defined by and the negative part by a)

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The positive part of an a ˆˆ R is defined by

and the negative part by

a) Prove that a = a+ - a- and |a| = a+ + a-.
b) Prove that

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An Introduction to Analysis

ISBN: 978-0132296380

4th edition

Authors: William R. Wade

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Question Posted: Mar 29, 2016 03:52 AM

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The positive part of an a R is defined by and the negative part by a)

Question:

atlalta jaa0 0 a 0 0 0 so and a a0. -a aく0.

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a By definition And b By Definit...View the full answer

An Introduction to Analysis

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