Show that the right circular cylinder of given surface and maximum volume is such that its height is equal to the diameter of the base.

Show that the right circular cylinder,open at the top,and of given surface area and maximum volume is such that its height is equal to the radius of the base.

Show that the right circular cylinder, open at the top, and of given surface area and maximum volume is such that its height is equal to the radius of the base.

Show that the right circular cylinder, open at the top, and of given surface area and maximum volume is such that its height is equal to the radius of the base.

Show that the height of a closed right circular cylinder of given surface and maximum volume, is equal to the diameter of its base.

Show that the height of a closed right circular cylinder of given surface and maximum volume, is equal to the diameter of its base.

Show that the height of a closed right circular cylinder of given surface and maximum volume,is equal to the diameter of its base.

Show that the height of a closed right circular cylinder of given surface and maximum volume is equal to diameter of base.

Show that the radius of closed right circular cylinder of given surface area maximum volume is equal to half of its height.

Of all the cylinders with given surface area, show that the volume is maximum when height is equal to the diameter of the base .