Answer
Find the maximum or minimum, or saddle points on the region.
Work Step by Step
1. find the critical points by fx = 0;
and fy=0;
2.find fxx , fyy and f^{2}xy;
3.check the possibility weather it is maximum or minimum, or saddle point
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 14: Partial Derivatives - Section 14.7 - Extreme Values and saddle Points - Exercises 14.7 - Page 843: 33
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