Answer
$2$
Work Step by Step
Solve $\lim\limits_{(x,y,z) \to (3,3,0)}(1+\sec^2 z)$
Now, $\lim\limits_{(x,y,z) \to (3,3,0)}(1+\sec^2 z)=(1+\sec^2 (0))$
Thus, we get $(1+(1)^2)=2$
University Calculus: Early Transcendentals (3rd Edition)
by Hass, Joel R.; Weir, Maurice D.; Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0321999584
ISBN 13:
978-0-32199-958-0
Chapter 13 - Section 13.2 - Limits and Continuity in Higher Dimensions - Exercises - Page 691: 27
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