If \({x^2} - \sqrt 3 x + 1 = 0\), then \(\left( {{x^3} + {x^{ - 3}}} – McqOptions

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1.	If \({x^2} - \sqrt 3 x + 1 = 0\), then \(\left( {{x^3} + {x^{ - 3}}} \right)\) is equal to:
A.	0
B.	\(4\sqrt {37}\)
C.	1
D.	\(3\sqrt {3}\)
Answer» B. \(4\sqrt {37}\)

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