The height of a right circular cylinder of maximum volume inscribed in a sphere of radius 3 is: (1) $\sqrt { 3 }$ (2) $\frac { 2 } { 3 } \sqrt { 3 }$ (3) $\sqrt { 6 }$ (4) $2 \sqrt { 3 }$
The height of a right circular cylinder of maximum volume inscribed in a sphere of radius 3 is:\\
(1) $\sqrt { 3 }$\\
(2) $\frac { 2 } { 3 } \sqrt { 3 }$\\
(3) $\sqrt { 6 }$\\
(4) $2 \sqrt { 3 }$