Answer
-1/2
Work Step by Step
The point (1,-1,-1) is in the equation's domain, so plug the point into the equation to evaluate the limit:
$\frac{2(1)(-1)+(-1)(-1)}{(1)^2+(-1)^2}=-1/2$
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 14.2 - Limits and Continuity in Higher Dimensions - Exercises 14.2 - Page 796: 26
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
