A) \[x+\frac{1}{x}\]
B) \[3\left( x-\frac{1}{x} \right)\]
C) \[3\left( x+\frac{1}{x} \right)\]
D) \[\left( {{x}^{3}}+\frac{1}{{{x}^{3}}} \right)\]
Correct Answer: B
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