\(x - \frac{1}{x} = \sqrt 5 \) হলে, \({x^{3\;}} - \frac{1}{{{x^{3\;}}}}\) = কত ?

\(x - \frac{1}{x} = \sqrt 5 \) হলে, \({x^{3\;}} - \frac{1}{{{x^{3\;}}}}\) = কত ?

A \(8\sqrt 5 \)

B \(10\sqrt 2 \)

C 5

D 8

Solution

Correct Answer: Option A