Find the point on the paraboloid z = + 4 | 25 that is closest to the point (3, 0, 0).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 32E
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Find the point on the paraboloid z
y²
= + that is closest to the point (3, 0, 0).
4
25
Hint: Let (x, y, z) be a point on the paraboloid. The distance D between (x, y, z) and the fixed
point (3,0,0) is √√(x − 3)² + y² + z². Note that D is minimum if and only if D² is minumum.
Use Lagrange multiplier.
Transcribed Image Text:Find the point on the paraboloid z y² = + that is closest to the point (3, 0, 0). 4 25 Hint: Let (x, y, z) be a point on the paraboloid. The distance D between (x, y, z) and the fixed point (3,0,0) is √√(x − 3)² + y² + z². Note that D is minimum if and only if D² is minumum. Use Lagrange multiplier.
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