Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 13 - Vector Geometry - 13.6 A Survey of Quadratic Surfaces - Exercises - Page 693: 39



Work Step by Step

By observing Figure 15(A), we get that $$ a=2, \quad b=4, \quad c=6.$$ Using the equation of the ellipsoid (page 691) and the above variables, we get: $$\left(\frac{x}{2}\right)^{2}+\left(\frac{y}{4}\right)^{2}+\left(\frac{z}{6}\right)^{2}=1.$$
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