Answer
ln7
Work Step by Step
The point (2,-3,6) is in the equation's domain, so plug the point into the equation to evaluate the limit:
$ln\sqrt (2^2+(-3)^2+6^2)=ln\sqrt (4+9+36)=ln\sqrt 49=ln7$
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: 30
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