Find the Center and Radius of the Circle $$2 x ^ { 2 } + 2 y ^ { 2 } - 16 x - 4 y + 16 = 0$$

Multiple Choice

Find the center and radius of the circle.
- $$2 x ^ { 2 } + 2 y ^ { 2 } - 16 x - 4 y + 16 = 0$$

A) center: $( 4,1 )$ , radius: 3
B) center: $( 1,4 )$ , radius: 3
C) center: $( - 4 , - 1 )$ , radius: 9
D) center: $( - 1 , - 4 )$ , radius: 9