University Calculus: Early Transcendentals (3rd Edition)

Published by Pearson
ISBN 10: 0321999584
ISBN 13: 978-0-32199-958-0

Chapter 14 - Section 14.1 - Double and Iterated Integrals over Rectangles - Exercises - Page 759: 1

Answer

$24$

Work Step by Step

Re-arrange the given integral as follows: $\int_{1}^{2}[(2x) \int_{0}^{4} y dy ]dx=\int_{1}^{2}[(2x) (\dfrac{(4)^2}{0}-0) dx$ This implies that $\int_{1}^{2} 16 x dx= 8(2^2-1^2)$ Thus, we have, $32-8=24$
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