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A rectangular box with a square base which is open from the top is to be constructed so that the volume of the box is

A rectangular box with a square base which is open from the top is to be constructed so that the volume of the box is 32 cubic feet. Find the dimensions of the box for which the total surface area is minimized. ( Hint: Length = Width =xfeet, Height =hfeet, Total surface area = Sum of the areas of the five faces )

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