Calculate the Value Mentally $$\frac { 48 ^ { 1 / 2 } } { 3 ^ { 1 / 2 } }$$

Calculate the value mentally.
- $$\frac { 48 ^ { 1 / 2 } } { 3 ^ { 1 / 2 } }$$

A) 16
B) 4
C) none of these
D) 45