Question: Q 5 : It is required to design a storage tank its shape cylinder with hemispherical ( ) from the bottom end and open from

Q5: It is required to design a storage tank its shape cylinder with
hemispherical () from the bottom end and open from the top as
shown in the figure. The tank is to hold (400)m3 of water. What radius
and height make the amount of material is minimum. (Note: the
surface area of hemispherical =2r2).(Use Lagrange method)
Q 5 : It is required to design a storage tank its

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