JEE MATHEMATICS MCQ: MAXIMA & MINIMA

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Analyzing +4 | -1

A closed circular cylinder of volume

k

cubic units is to be formed with minimum amount of material. The ratio of its height to the radius of the base is

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Correct option: C

Option C (2) is correct because the ratio of height to radius that minimizes the material used for a closed cylinder of fixed volume is 2.

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