Poblem 4 - Study the continuity of the following. function. 3x3+y2 (x.y)= (0;0) (x,y)= (0;0) %3D キェメ
Poblem 4 - Study the continuity of the following. function. 3x3+y2 (x.y)= (0;0) (x,y)= (0;0) %3D キェメ
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Problem 1 - Study the continuity of the following function.
Problem 2 - Calculate the following limits, if they exist, by using a combination of polar coordinates and L'Hopital rule.
Problem 3 - Calculate the differential of the following functions.
Problem 4 - Calculate the directional derivative at each assigned vector of the following functions.
Problem 5 - Find the dw/dot of the following function by using an appropriate chain rule.
Problem 6 - Classify the critical points of the following function (in other words say if they are maximum, minimum or saddle points).
Problem 7 - Find, if they exist, the extrema of the function.

Transcribed Image Text:Poblem A- Study the continuity of the following
function
f(x,y)
(x.y)#(0;0)
xエ+y
Problem 2- kly Calculate the following limits,
if they exist, by
polar coordinates
using a combination of
and L'Hopital rule.
1-cos (x2+y?)
a) lim
(xiy)>(0;0)
b) lim
(x,y)>(0;0)
arctan (x²+y2)
Calculate the differential of
Problem 3
the following functions.
a) f(x,4) = 3x +2x
= cas (2x +y)

Transcribed Image Text:following
at each assigned vector
functions.
of the
a) f(x.y)=x²-3y?
uミ/Va Ja
2.
b) f (x y)= gnt 3yt
(0, 1)
Problem 5- Ite Find the dw ldt of the
following function lby using an appropriate.
Chain rule.
Wミxy-3yz+x2
xミ
ニーt、2=も
Problem 6 - Classify the critical points of the
following function (in other words say if they are
maximum, minimum
f(x,y)="2x3+ 6xy+ 342
or saddle points).
Problem 7 - Find, if they exist, the extrema of
the function.
f(x,y)=x²ry2-1
Subject to the constraint x-y%=2, by using
the Lagrange's multipliers method.
Expert Solution

Step 1
Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question specifying the one you’d like answered
We need to examine the continuity of the given function .
A function is continuous at a point if it satisfies the following conditions :
exist .
exist .
If any of the above condition is not satisfied then the given function will not be continuous .
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