Find the Eccentricity $e$ Of the Ellipse $$x ^ { 2 } + 2 y ^ { 2 } = 6$$

Multiple Choice

Find the eccentricity $e$ of the ellipse.
- $$x ^ { 2 } + 2 y ^ { 2 } = 6$$

A) $\sqrt { 2 }$
B) $\sqrt { 6 }$
C) $\frac { \sqrt { 6 } } { 2 }$
D) $\frac { \sqrt { 2 } } { 2 }$