LET f:R?->R be a funetion guen by if Cay) + 10,0) i4 ey)=(0,0) Using depinitions op partial derivatives show whether flx,y) is differentiable at point (0;0)
LET f:R?->R be a funetion guen by if Cay) + 10,0) i4 ey)=(0,0) Using depinitions op partial derivatives show whether flx,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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