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An open tank with a square …

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An open tank with a square base and vertical sides is to be constructed from a metal sheet so as to hold a given quantity of water. Show that the cost of material will be least when dept of the tank is half of its width. If the cost is to be borne by nearby settled lower income families, for whome water will be provided, what kind of value is hidden in this question?

    • Posted by Mitali Thakur 7 years, 11 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    K Gopika 7 years, 11 months ago

    Surface area should be should as minimum

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