If \[x+\frac{1}{x}=\sqrt{5}\], then the value of \[{{\mathbf{x}}^{\mat – McqOptions

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1.	If \[x+\frac{1}{x}=\sqrt{5}\], then the value of \[{{\mathbf{x}}^{\mathbf{3}}}+\frac{1}{{{x}^{3}}}\]
A.	\[8\sqrt{5}\]
B.	\[2\sqrt{5}\]
C.	\[5\sqrt{5}\]
D.	\[7\sqrt{5}\]
Answer» C. \[5\sqrt{5}\]

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