Answer
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.
Work Step by Step
Answer is above.
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
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
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