Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - Review Exercises - Page 64: 117


False. $(a+b)^2=a^2+2ab+b^2\ne a^2+b^2$

Work Step by Step

$(a+b)^2=a^2+b^2~?$ False. $(a+b)^2=(a+b)(a+b)=aa+ab+ba+bb=a^2+2ab+b^2\ne a^2+b^2$
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