Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 2 - Section 2.2 - Indirect Proof - Exercises - Page 94: 32


We square both sides of the equation to obtain: $a^2 + b^2 = (a+b)^2 \\ a^2 + b^2 = a^2 + b^2 + 2ab $ Whenever a and b are positive, this statement will never be true.

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