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 (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 2 - Section 2.2 - Indirect Proof - Exercises - Page 85: 26
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