If a; b R, prove the following. (a) If a + b = 0, then b
Question:
(a) If a + b = 0, then b = -a,
(b) -(-a) = a,
(c) (-1)a = -a,
(d) (-1 + (-1) = 1.
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Related Book For
Introduction to Real Analysis
ISBN: 978-0471433316
4th edition
Authors: Robert G. Bartle, Donald R. Sherbert
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