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 the material will be least when depth of the tank is half of its width.

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 the material will be least when the depth of the tank is half of its width.

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

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

An open tank is to be constructed with square base and vertical sides so as to contain a given quantity of water. Show that the expenses of lining with lead will be least, if depth is made half of width.

An open tank is to be constructed with square base and vertical sides so as to contain a given quantity of water.Show that the expenses of lining with lead will be least,if depth is made half of width.

An open tank is to be constructed with square base and vertical sides so as to contain a given quantity of water. Show that the expenses of lining with lead will be least, if depth is made half of width.

An open tank is to be constructed with a square base and vertical sides to hold a given capacity of water . The expense of lining the tank with lead is least when the ratio of the depth and the width is

An open tank of square base is to be constructed which has a given quantity of water. Prove that for least material used for the construction of tank, the depth will be half of the width of tank.

An open cylindrical tank whose base is a circle is to be constructed of metal sheet so as to contain a volume of pi a^3 cu. cm of water. Find the dimensions so that sheet required is minimum.