Example 13.3.4. The function f, defined over the whole ry-plane, is given by r-lzl/y?, when y # 0; f (x, y) = 0, when y = 0. Discuss the eristence of limit of f(x, y) as (x, y) → (0,0).

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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Example 13.3.4. The function f, defined over the whole ry-plane, is given by
|x|
{
when y # 0;
f(x, y) =
y?
0,
when y = 0.
Discuss the existence of limit of f(x,y) as (x, y) → (0,0).
Transcribed Image Text:Example 13.3.4. The function f, defined over the whole ry-plane, is given by |x| { when y # 0; f(x, y) = y? 0, when y = 0. Discuss the existence of limit of f(x,y) as (x, y) → (0,0).
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