Recall the distance from a point (xo, Yo, zo) to the plane Ax+ By + Cz + D = 0 is given by the formula: |Axo + Byo + Czo + D| VA? + B² + C² Use the method of Lagrange multipliers to find the point on the surface given by x2 +y² + z? = 2z which is closest to the plane given by x +y +z = 3. Hint: Ignoring the absolute value in the formula above, you have a differentiable function in three variables which you are trying to minimize.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
Question
Recall the distance from a point (xo, Yo, Zo) to the plane Ax+
By + Cz + D = 0 is given by the formula:
|Axo + Byo + Czo + D|
VA² + B² + C²
2
Use the method of Lagrange multipliers to find the point
on the surface given by x? +y? +z² = 2z which is closest to
the plane given by x + y + z = 3. Hint: Ignoring the absolute
value in the formula above, you have a differentiable function in
three variables which you are trying to minimize.
Transcribed Image Text:Recall the distance from a point (xo, Yo, Zo) to the plane Ax+ By + Cz + D = 0 is given by the formula: |Axo + Byo + Czo + D| VA² + B² + C² 2 Use the method of Lagrange multipliers to find the point on the surface given by x? +y? +z² = 2z which is closest to the plane given by x + y + z = 3. Hint: Ignoring the absolute value in the formula above, you have a differentiable function in three variables which you are trying to minimize.
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