I. Show that the function f defined by 1, (x, y) = (1, –1) %3D f(r, y) = { r2 + y (x, y) + (1, –1) x+ y is not continuous at (1, –1).
I. Show that the function f defined by 1, (x, y) = (1, –1) %3D f(r, y) = { r2 + y (x, y) + (1, –1) x+ y is not continuous at (1, –1).
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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Transcribed Image Text:I. Show that the function ƒ defined by
(1,
f(r, y) = { 2 + y
(x, y) = (1, –1)
(x, y) # (1, –1)
x + y
is not continuous at (1, –1).
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