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14.2 Limits and Continuity 0 0( , ) ( , )
 

Summary: 14.2 Limits and Continuity
1
0 0( , ) ( , )
lim ( , )
x y x y
fFormal Definition of x y

Assume the function f is defined at all points within a disk centered at ,
except possibly at . We will write
0 0( ,x y )
)0 0( ,x y
0 0( , ) ( , )
lim ( , ) = L
x y x y
f x y

if for any given number 0 > , we can find number 0 > such that ( , )f x y satisfies
| ( , ) |f x y L - <
whenever the distance between ( , and ( , satisfies)x y 0 0)x y
2 2

  

Source: Ansari, Qamrul Hasan - Department of Mathematics and Statistics, King Fahd University of Petroleum and Minerals

 

Collections: Mathematics