Calculus

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A friend of mine was selling the lumber from his old barn to be repurposed. Knowing that I liked old wood, he set aside a board totaling 12 feet in length for me. I want to cut it to form a rectangular frame for a mirror. What should the dimensions be to provide the largest area?

• Calculus - incomplete -

how many cuts allowed? If you cut it into 1" strips you can make quite a large frame.

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