A drinking cup is made in the shape of a right circular cylinder. for a fixed volume v0 we wish to make the total material used for the circular bottom and the cylindrical side as small as possible. use caclculus to determine the ration of the hight h to the diameter d unter the conditions stated in the problem

a) find the equation to maximized or minimized.
b) find the solution
c) showing that your solution is an absolute max or min.