Answer: find the limit of ƒ as (x,y)(0,0) or show that the

Chapter 13, Problem 65E

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In Exercises 61–66, find the limit of ƒ as $(x, y) \rightarrow(0,0)$ or show that the limit does not exist.

$f(x, y)=\tan ^{-1}\left(\frac{|x|+|y|}{x^{2}+y^{2}}\right)$

Equation Transcription:

$(x,y)\rightarrow{}(0,0)$

$f(x,y)={tan}^{-1}(\frac{|x|+|y|}{{x}^{2}+{y}^{2}})$

Text Transcription:

(x,y) rightarrow (0,0)

ƒ(x, y) = tan^-1 (| x | + | y |/x^2 + y^2)

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