Answer
$$\frac{2}{3}$$
Work Step by Step
$\int_{1}^{4} \frac{1}{3 \sqrt{u}} d u$
$1+3 x=u$ and $3 d x=d u$
Rewrite integral
$\left.\left(\frac{2 \sqrt{u}}{3}\right)\right|_{1} ^{4}$
$$\frac{2}{3}$$
Calculus, 10th Edition (Anton)
by Anton, Howard
Published by
Wiley
ISBN 10:
0-47064-772-8
ISBN 13:
978-0-47064-772-1
Chapter 4 - Integration - Chapter 4 Review Exercises - Page 345: 75
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