Suppose that we wish to maximise the value of x + 2y subject to the constraint that x² + xy + y² = r². Which of the following is true of the point (x, y) at which the maximum value occurs? Select one alternative: OY= O X || Ox= - r √3 r √3 > r 3 Oy=0 0 x = 0
Suppose that we wish to maximise the value of x + 2y subject to the constraint that x² + xy + y² = r². Which of the following is true of the point (x, y) at which the maximum value occurs? Select one alternative: OY= O X || Ox= - r √3 r √3 > r 3 Oy=0 0 x = 0
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Suppose that we wish to maximise the value of x + 2y subject to the constraint that x² + xy + y² = r². Which
of the following is true of the point (x, y) at which the maximum value occurs?
Select one alternative:
Oy=
O
O
X =
x =
-r
√3
√3
3
r
3
Oy=0
0x=0
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