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Old November 7th, 2009, 05:18 AM
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Default max/min problem 2
the strength of a rectangular beam varies jointly as the breadth and the square of the depth. Find the dimensions of the cross section of the strongest rectangular beam that can be cut from a cylindrical log of radius 9 centimetres

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Old November 7th, 2009, 06:17 AM
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the strength of a rectangular beam varies jointly as the breadth and the square of the depth. Find the dimensions of the cross section of the strongest rectangular beam that can be cut from a cylindrical log of radius 9 centimetres

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