If (2/3,1/6) is a critical point of f(x, y) = x2 - In(x) + xy - 2y'then (2/3,1/6) is: a saddle point a local maximum O a local minimum O None of these

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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If (2/3,1/6) is a critical point of f(x, y) = x2 – In(x) + xy - 2y²then (2/3,1/6)
is:
a saddle point
a local maximum
a local minimum
None of these
Transcribed Image Text:If (2/3,1/6) is a critical point of f(x, y) = x2 – In(x) + xy - 2y²then (2/3,1/6) is: a saddle point a local maximum a local minimum None of these
The limits of integration of z in cylindrical coordinates to find the volume of the
x? +y and above by the parabaloid
region bounded below by the cone z =
z = 2- x - y where x <0 and y > 0 are
O Oszs2-r^2
None of these
O 2-r^2<zsr*2
O rszs2-r^2
Transcribed Image Text:The limits of integration of z in cylindrical coordinates to find the volume of the x? +y and above by the parabaloid region bounded below by the cone z = z = 2- x - y where x <0 and y > 0 are O Oszs2-r^2 None of these O 2-r^2<zsr*2 O rszs2-r^2
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