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Solve the Inequality $\left| x ^ { 4 } + 4 x ^ { 2 } + 4 \right| > 0$

Question 445

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $\left| x ^ { 4 } + 4 x ^ { 2 } + 4 \right| > 0$

A) $( - 2,2 )$
B) $\varnothing$
C) $( - \infty , \infty )$
D) $( - \infty , - 2 ) \cup ( 2 , \infty )$

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