Find the maximum and minimum values of the function f(x, y) = xy on the ellipse given. y? by the equation x² = 1. 4

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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11. Find an equation of the tangent plane to the surface Va+V+Vz=4 at the point P(4, 1,1).
12. Find the local maximum and minimum values and saddle point(s) of the function f(x, y) =
-x4 + 4xy – 2y² + 1.
%3D
13. Find the maximum value of the function f(x, y) = 6 – 4x² – y? subject to the constraint
4x +y = 5.
%3D
14. Find the maximum and minimum values of the function f(x,y) = xy on the ellipse given
by the equation x² +
=1.
4
%3D
Transcribed Image Text:11. Find an equation of the tangent plane to the surface Va+V+Vz=4 at the point P(4, 1,1). 12. Find the local maximum and minimum values and saddle point(s) of the function f(x, y) = -x4 + 4xy – 2y² + 1. %3D 13. Find the maximum value of the function f(x, y) = 6 – 4x² – y? subject to the constraint 4x +y = 5. %3D 14. Find the maximum and minimum values of the function f(x,y) = xy on the ellipse given by the equation x² + =1. 4 %3D
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