Given k E R, the function f(x, y) = kx² .2 %3D [A) a minimum point, if k = 0 (B) a maximum point, if k = 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 64E
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8 Given k e R, the function f(x,y) = kx² + (k – 1)y² + 12xy admits
(A) a minimum point, if k = 0
(B) a maximum point, if k = 1
(C) a minimum point, if k = 1
(D) a saddle point, if k = 0
Transcribed Image Text:8 Given k e R, the function f(x,y) = kx² + (k – 1)y² + 12xy admits (A) a minimum point, if k = 0 (B) a maximum point, if k = 1 (C) a minimum point, if k = 1 (D) a saddle point, if k = 0
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