Let f(x, y) = (x² – y²) / (x² + y²). Why does - lim (x,y)→(0,0) f(x, y) not exist? You are dividing zero by zero The limit does exist O f(0,1) = 1, but f (1,1) = 0

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Option D: Lim t -> 0 f(t,0) = 1 but lim t -> 0 f(0,t) =  -1 

 

Let f(x, y)
= (x² –- y²) / (x² + y²). why does
lim
(x,y)→(0,0)
f(x, y)
not exist?
O You are dividing zero by zero
The limit does exist
O f(0, 1) = 1, but f(1, 1) = 0
Transcribed Image Text:Let f(x, y) = (x² –- y²) / (x² + y²). why does lim (x,y)→(0,0) f(x, y) not exist? O You are dividing zero by zero The limit does exist O f(0, 1) = 1, but f(1, 1) = 0
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