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

question 198

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) \(( - \infty , - 4 ) \cup ( - 1,1 ) \cup ( 4 , \infty )\)

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