Answer
a) 1
b) 2
Work Step by Step
The slope of a surface in x direction in a given point is the partial derivative in respect to x applied in that point. The same can be said to y.
Calculus, 10th Edition (Anton)
by Anton, Howard
Published by
Wiley
ISBN 10:
0-47064-772-8
ISBN 13:
978-0-47064-772-1
Chapter 13 - Partial Derivatives - 13.3 Partial Derivatives - Exercises Set 13.3 - Page 936: 12
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