21. lim (x.y)-(0,0) x2+y2 22. sin( x* +y?) lim (xy)-(0,0)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.3: Algebraic Expressions
Problem 20E
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21.
lim
(xy)-(0,0) x2+y2
22.
sin( r? +y?
lim
(xy)-(0,0) Vr2+y2
Transcribed Image Text:21. lim (xy)-(0,0) x2+y2 22. sin( r? +y? lim (xy)-(0,0) Vr2+y2
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