09. Optimization using derivatives, Obtaining Maximum Area Pens

Опубликовано: 19 Май 2026
на канале: MateFacil
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A farmer has 750 feet of material to build a fence. He wants to enclose a rectangular area and then divide it into four corrals of equal width, with fences parallel to one side of the rectangle. What is the largest possible total area of ​​the four corrals?

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00:00 Introduction and problem statement
00:22 Site diagram and variable assignment
01:06 Modeling the constraint equation (fence length)
02:05 Modeling the function to be maximized (total area)
02:45 Solving for variables and substitution
03:22 Calculating the derivative and critical points
04:33 Verifying the maximum (second criterion) Derivative)
06:05 Calculating Dimensions and Maximum Area
07:11 Viewer Practice Exercise
08:07 Channel Acknowledgments and Memberships

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