3. (Section 15.8) A rectangular box (without a top) is to be constructed having a volume of 54 in³ using two different materials. The material for the bottom is four times as costly (per square inch) as the rest of the material. Determine the dimensions of the box that will minimize the cost of materials using Lagrange multipliers.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
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3. (Section 15.8) A rectangular box (without a top) is to be constructed having a volume of 54 in³ using two different materials.
The material for the bottom is four times as costly (per square inch) as the rest of the material. Determine the dimensions
of the box that will minimize the cost of materials using Lagrange multipliers.
Transcribed Image Text:3. (Section 15.8) A rectangular box (without a top) is to be constructed having a volume of 54 in³ using two different materials. The material for the bottom is four times as costly (per square inch) as the rest of the material. Determine the dimensions of the box that will minimize the cost of materials using Lagrange multipliers.
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