Solve the Inequality $$\left( x ^ { 2 } - 16 \right) \left( x ^ { 2 } - 1 \right) > 0$$

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $$\left( x ^ { 2 } - 16 \right) \left( x ^ { 2 } - 1 \right) > 0$$

A) $( - \infty , - 4 ] \cup [ - 1,1 ] \cup [ 4 , \infty )$
B) $[ - 4 , - 1 ] \cup [ 1,4 ]$
C) $( - 4 , - 1 ) \cup ( 1,4 )$
D) $( - \infty , - 4 ) \cup ( - 1,1 ) \cup ( 4 , \infty )$