Find the Domain of X in the Expression $\sqrt { \frac { x } { x ^ { 2 } - 36 } }$

Multiple Choice

Find the domain of x in the expression.
$\sqrt { \frac { x } { x ^ { 2 } - 36 } }$

A) $( - 36,0 ] \cup ( 36 , \infty )$
B) $( - 36,0 ] \cap ( 36 , \infty )$
C) $( - 36,0 ] \cap ( 6 , \infty )$
D) $( - 6,0 ] \cup ( 6 , \infty )$
E) $( - 36,0 ] \cap ( - 6 , \infty )$