1. Evaluate the limit: xy - y lim (x, y) → (1, 2) x² - x+2xy - 2y

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 12T
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1.
Evaluate the limit:
ху — у
lim
(x, y) → (1, 2) x
— х+ 2ху - 2у
Find
if yx+z - 3ze*" = 4
ôx
Let f(x, y) = fx +y² – 25.
3.
Find an equation for the level curve of f through the point (0.5)
Find fr, fy and f; if f(x, y,z) =1+ xy² – 2z + yz
2.
4.
Transcribed Image Text:1. Evaluate the limit: ху — у lim (x, y) → (1, 2) x — х+ 2ху - 2у Find if yx+z - 3ze*" = 4 ôx Let f(x, y) = fx +y² – 25. 3. Find an equation for the level curve of f through the point (0.5) Find fr, fy and f; if f(x, y,z) =1+ xy² – 2z + yz 2. 4.
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