If\[\left( x+\frac{1}{x} \right)=4,\]then\[\left( x-\frac{1}{x} \right)\]is

If\[\left( x+\frac{1}{x} \right)=4,\]then\[\left( x-\frac{1}{x} \right

1.	If\[\left( x+\frac{1}{x} \right)=4,\]then\[\left( x-\frac{1}{x} \right)\]is
A.	\[2\sqrt{2}\]
B.	\[\sqrt{6}\]
C.	\[2\sqrt{3}\]
D.	\[3\sqrt{2}\]
Answer» D. \[3\sqrt{2}\]

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If\[\left( x+\frac{1}{x} \right)=4,\]then\[\left( x-\frac{1}{x} \right)\]is

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