Let f (x, y) = if (x, y) # (0,0) and f (0,0) = 0. (z*+6y") a) Show that (0, 0) and (0,0) exist. dy b) Show that f is not differentiable at (0,0) by showing that f is not continuous at (0,0).
Let f (x, y) = if (x, y) # (0,0) and f (0,0) = 0. (z*+6y") a) Show that (0, 0) and (0,0) exist. dy b) Show that f is not differentiable at (0,0) by showing that f is not continuous at (0,0).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 60E
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