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*39. A piece of aluminium strip of length e m is used to make a window frame as shown in the figure. The window frame consists of six identical small rectangles. Each rectangle is x m long and y m wide. Let the total area of the window encompassed by the window frame be A m'. [Note: Ignore the width of the aluminium strip.] (a) Express the maximum value of A in terms of e. (b) Find the value of if the area of the window is a maximum to allow a maximum amount of light to enter the room.

*39. A piece of aluminium strip of length e m is used to make a window frame as shown in the figure. The window frame consists of six identical small rectangles. Each rectangle is x m long and y m wide. Let the total area of the window encompassed by the window frame be A m'. [Note: Ignore the width of the aluminium strip.] (a) Express the maximum value of A in terms of e. (b) Find the value of if the area of the window is a maximum to allow a maximum amount of light to enter the room.

Calculus: Early Transcendentals
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...
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ym *39. A piece of aluminium strip of length e m is used to make a window frame as shown in the figure. The window frame consists of six identical small rectangles. Each rectangle is x m long and y m wide. Let the total area of the window encompassed by the window frame be A m'. [Note: Ignore the width of the aluminium strip.) (a) Express the maximum value of A in terms of e. (b) Find the value of if the area of the window is a maximum to allow a maximum amount of light to enter the room.
Transcribed Image Text:ym *39. A piece of aluminium strip of length e m is used to make a window frame as shown in the figure. The window frame consists of six identical small rectangles. Each rectangle is x m long and y m wide. Let the total area of the window encompassed by the window frame be A m'. [Note: Ignore the width of the aluminium strip.) (a) Express the maximum value of A in terms of e. (b) Find the value of if the area of the window is a maximum to allow a maximum amount of light to enter the room.
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