Find the dimensions giving the minimum surface area

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Question: Find the dimensions giving the minimum surface area, given that the volume is 8 cm3.

1. A closed rectangular box, with a square base x by x cm and height h cm.

2. An open-topped rectangular box, with a square base x by x cm and height h cm.

3. A closed cylinder with radius r cm and height h cm.

4. A cylinder open at one end with radius r cm and height h cm.

Reference no: EM131604129

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