The equations that must be solved for maximum or minimum values of a differentiable function w = f(x,y,z) subject to two constraints g(x,y,z) = 0 and h(x,y,z) = 0, where g and h are also differentiable, are Vf=xVg+µVh, g(x,y,z) = 0, and h(x.y,z) = 0, where à and µ (the Lagrange multipliers) are real numbers. Use this result to find the maximum and minimum values of f(x,y,z) = x² + y² +z? on the intersection between the cone z2 = 4x2 +4y² and the plane 2x+4z = 3. Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. The maximum value is The minimum value is O B. The maximum value is There is no minimum value. O C. The minimum value is There is no maximum value. O D. There is no maximum value and no minimum value.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 17EQ
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The equations that must be solved for maximum or minimum values of a differentiable function w = f(x,y,z) subject to two constraints g(x,y,z) = 0 and h(x,y,z) = 0, where
g and h are also differentiable, are Vf =1Vg+ µVh, g(x,y,z) = 0, and h(x,y,z) = 0, where A and u (the Lagrange multipliers) are real numbers. Use this result to find the
maximum and minimum values of f(x,y,z) = x2 + y +z? on the intersection between the cone z? = 4x² + 4y? and the plane 2x + 4z = 3.
Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice.
O A. The maximum value is
The minimum value is
B. The maximum value is
There is no minimum value.
O C. The minimum value is
|. There is no maximum value.
O D. There is no maximum value and no minimum value.
Transcribed Image Text:The equations that must be solved for maximum or minimum values of a differentiable function w = f(x,y,z) subject to two constraints g(x,y,z) = 0 and h(x,y,z) = 0, where g and h are also differentiable, are Vf =1Vg+ µVh, g(x,y,z) = 0, and h(x,y,z) = 0, where A and u (the Lagrange multipliers) are real numbers. Use this result to find the maximum and minimum values of f(x,y,z) = x2 + y +z? on the intersection between the cone z? = 4x² + 4y? and the plane 2x + 4z = 3. Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. The maximum value is The minimum value is B. The maximum value is There is no minimum value. O C. The minimum value is |. There is no maximum value. O D. There is no maximum value and no minimum value.
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