Show that the function x5y f(x, y) = x 10+y5 does not have a limit at (0,0) by examining the following limits. (a) Find the limit of f as (x,y) → (0,0) along the line y = x. lim f(x, y) = = (x,y)→(0,0) y=z

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Please answer a AND b.
Show that the function
lim f(x, y)
does not have a limit at (0,0) by examining the following limits.
(a) Find the limit of f as (x, y) → (0,0) along the line y = x.
(z.y) (0,0)
y=z
f(x, y) =
x³y
x 10+ y5
(Be sure that
(b) Find the limit of f as (x, y) → (0,0) along the curve y = x³.
lim f(x, y) =
(x,y) →(0,0)
y=25
you are able to explain why the results in (a) and (b) indicate that f does not have a limit at (0,0)!
Transcribed Image Text:Show that the function lim f(x, y) does not have a limit at (0,0) by examining the following limits. (a) Find the limit of f as (x, y) → (0,0) along the line y = x. (z.y) (0,0) y=z f(x, y) = x³y x 10+ y5 (Be sure that (b) Find the limit of f as (x, y) → (0,0) along the curve y = x³. lim f(x, y) = (x,y) →(0,0) y=25 you are able to explain why the results in (a) and (b) indicate that f does not have a limit at (0,0)!
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