If \(\sqrt{x}+\frac{1}{\sqrt{x}}=\sqrt{7},\) then \({{x}^{3}}+\frac{1 – McqOptions

MCQOPTIONS

1.	If \(\sqrt{x}+\frac{1}{\sqrt{x}}=\sqrt{7},\) then \({{x}^{3}}+\frac{1}{{{x}^{3}}}\) is equal to∶
A.	120
B.	130
C.	140
D.	110
Answer» E.

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