Answer
(-1,3,-4) is a relative minimum.
Work Step by Step
$$\boxed{\textbf{See work in picture below.}}$$
Calculus 10th Edition
by Larson, Ron; Edwards, Bruce H.
Published by
Brooks Cole
ISBN 10:
1-28505-709-0
ISBN 13:
978-1-28505-709-5
Chapter 13 - Functions of Several Variables - 13.8 Exercises - Page 942: 5
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