Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 7 - Applications of Integration - 7.4 Exercises - Page 473: 5

Answer

$$l = \frac{2}{3}(2\sqrt{2}-1)$$

Work Step by Step

$$y'=x^\frac{1}{2}$$ $$l = \int_{0}^{1}\sqrt{1+{(\sqrt{x})}^2}dx$$ $$l = \int_{0}^{1}\sqrt{1+x}dx$$ $$l = [\frac{2}{3}{(1+x)}^\frac{3}{2}]_{0}^{1}$$ $$l = \frac{2}{3}(2\sqrt{2}-1)$$
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