Arectangular tank with a square base, an open top, and a volume of 13,500 ft° is to be constructed of sheet steel. Find the dimensions of the tank tha has the minimum surface area. The tank with the minimum surface area has a height of ft and a square base with a side length of ft.

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Q: dy Find dt y%3Dsec" 5xt 5xt dy dt

A: I have solved first question for second repost again

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