College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Chapter P Review - Exercises - Page 77: 100



Work Step by Step

This is false. For instance, if we use $a=8$, $b=8$, then we get: Left side: $\sqrt[3]{a+b}=\sqrt[3]{8+8}=\sqrt[3]{16}\approx 2.52$ Right side: $\sqrt[3]{a}+\sqrt[3]{b}=\sqrt[3]{8}+\sqrt[3]{8}=2+2=4$ And the sides do not equal.
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