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anonymous

  • 5 years ago

Denote the length, width, and height of the box by , , and , respectively (). It is given that . We have to make the surface area as small as possible.

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  1. anonymous
    • 5 years ago
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    Denote the length, width, and height of the box by x, y, and z, respectively (x,y,z > 0). It is given that xyz=110. We have to make the surface area [S]=2xy+2xz+2yz as small as possible.

  2. nowhereman
    • 5 years ago
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    Write z by x and y, insert it in the function you are trying to minimize and then find local minima through the derivatives.

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