Solved

Solve the Inequality $x ^ { 4 } < 81 x ^ { 2 }$

Question 249

Multiple Choice

Solve the inequality.
- $x ^ { 4 } < 81 x ^ { 2 }$

A) $( - \infty , - 9 )$ or $( 9 , \infty )$
B) $( - 9,0 )$ or $( 9 , \infty )$
C) $( - \infty , - 9 )$ or $( 0,9 )$
D) $( - 9,0 )$ or $( 0,9 )$

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