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Consider a closed rectangular box with à quare height y. a. Find an equation for the surface area of the rectangular box. S(r, y) dy b. If the surface area of the rectangular box is 96 square feet, find da when x 4 feet and y 4 feet. dy dx ||

Consider a closed rectangular box with à quare height y. a. Find an equation for the surface area of the rectangular box. S(r, y) dy b. If the surface area of the rectangular box is 96 square feet, find da when x 4 feet and y 4 feet. dy dx ||

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Consider a closed rectangular box with a square base with side a and height y. a. Find an equation for the surface area of the rectangular box. S(r, y) dy b. If the surface area of the rectangular box is 96 square feet, find da when x = 4 feet and y = 4 feet. dy dx
Transcribed Image Text:Consider a closed rectangular box with a square base with side a and height y. a. Find an equation for the surface area of the rectangular box. S(r, y) dy b. If the surface area of the rectangular box is 96 square feet, find da when x = 4 feet and y = 4 feet. dy dx
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