Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Chapter 14 - Partial Derivatives - Review - Exercises - Page 1022: 9



Work Step by Step

From direct substitution, we have $\lim\limits_{(x,y) \to (1,1)}\frac{2xy}{x^2+2y^2}=\frac{2(1)(1)}{(1)^2+2(1)^2}$ $=\frac{2}{3}$
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