A) f(x, y) = x² - 3y. Sketch 4 level curves of f(x, y). B) Evaluate the following limit or sh that it does not exist:

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Kindly solve this question correctly in 30 minutes and get the thumbs up please show me neat and clean work for it by hand solution needed
(2)
A) ƒ(x, y) = x² – 3y. Sketch 4 level
curves of f(x, y).
B) Evaluate the following limit or show
that it does not exist:
9xy
lim
(x,y) (0,0) 5x² + 3y²
C) Write a function f(x, y) such that the
domain of f(x, y) is
D = {(x, y) | x² ≥ 25 - y²}. Also
provide a sketch for the domain.
Transcribed Image Text:(2) A) ƒ(x, y) = x² – 3y. Sketch 4 level curves of f(x, y). B) Evaluate the following limit or show that it does not exist: 9xy lim (x,y) (0,0) 5x² + 3y² C) Write a function f(x, y) such that the domain of f(x, y) is D = {(x, y) | x² ≥ 25 - y²}. Also provide a sketch for the domain.
14.5 The Chain Rule-
The Chain Rule Case 1
If Z= P(x₁y) is a function
and x= g(t) and y=h(t)
then:
#
dt
Əz dx az dy
dy dt
ax dt
14.5 The Chain Rule-
The Chain Rule Case 2
If Z=Rk₁y) and
X=g(s, t) and
y=h (s, t) then:
dz
as
DE
at
az ox
ax as
+
E
Əz Əy
ay as
az ax
az dy
ax at ay at
Transcribed Image Text:14.5 The Chain Rule- The Chain Rule Case 1 If Z= P(x₁y) is a function and x= g(t) and y=h(t) then: # dt Əz dx az dy dy dt ax dt 14.5 The Chain Rule- The Chain Rule Case 2 If Z=Rk₁y) and X=g(s, t) and y=h (s, t) then: dz as DE at az ox ax as + E Əz Əy ay as az ax az dy ax at ay at
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