An open topped box is to be made from a rectangular piece of metal 18cm x 48 cm by cutting off squares from each corner and bending up the sides. Find the dimensions of the box so that its volume will be a maximum.

Algebra and Trigonometry (MindTap Course List)
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ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter1: Equations And Graphs
Section1.CT: Chapter Test
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An open topped box is to be made from a rectangular piece of metal 18cm x 48 cm by cutting off squares from each corner and bending up the sides. Find the dimensions of the box so that its volume will be a maximum. 

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