
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:-s) Define the function FiR³>R by
34+
if (x,y) + (0,0)
if (x, y) = (0,0).
O
(a) Determine with proof of Fis differentiable at (0,0) or not.
(b) Determinu with
proof if F is differentiable at (1,0) or not.
1
F(x,y) = { x = 1/²
2
x² +
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