faow that the function f depthed by (X .Y) = (1, - 1) f(XrY) = %3D x2 + 냉 (x, y) $ (1,-1) * ty is noi continwous at (I, -1).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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pls refer to the photo below

fhow that the function f defaned by
(x ,Y) = (1, - 1)
1
%3D
f(X,Y) =
%3D
x2 +y
(x, y) ť (1,-1)
* +y
is not continuous at (1, -1).
Transcribed Image Text:fhow that the function f defaned by (x ,Y) = (1, - 1) 1 %3D f(X,Y) = %3D x2 +y (x, y) ť (1,-1) * +y is not continuous at (1, -1).
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