[" A) given quantity of metal is to be c...

[" A) given quantity of metal is to be cast into a "],[" half cylinder with a rectangular base and "],[" semicircular ends.Show that in order that "],[" total surface area is minimum,the ratio of "],[" length of cylinder to the diameter of its "],[" semicircular ends is "pi:(pi+2).]

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[" A) given quantity of metal is to be cast into a "],[" half cylinder with a rectangular base and "],[" semicircular ends.Show that in order that "],[" total surface area is minimum,the ratio of "],[" length of cylinder to the diameter of its "],[" semicircular ends is "pi:(pi+2).]

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