Find the Critical Points Of $f ( x ) = e ^ { x } \left( x ^ { 2 } - 2 x \right)$

Multiple Choice

Find the critical points of $f ( x ) = e ^ { x } \left( x ^ { 2 } - 2 x \right)$

A) $\sqrt { 2 }$
B) - 2, 2
C) - , $\sqrt { 2 }$ $\sqrt { 2 }$
D) 2