Differentiability of f(r,y) at point (a, b) Let f : R? R be a function given by ry if (1,9) + (0,0), (x, y)- if (r, y) = (0,0). Using definitions of partial derivatives, show whether f(r, y) is differentiable at point (0,0).
Differentiability of f(r,y) at point (a, b) Let f : R? R be a function given by ry if (1,9) + (0,0), (x, y)- if (r, y) = (0,0). Using definitions of partial derivatives, show whether f(r, y) is differentiable at point (0,0).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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