Question

pls tell the answer and how to solve

Answer 1

$given \: \: x + \frac{1}{x} = \sqrt{3} \\ using \: \: the \: \: identity \\ {x}^{3} + \frac{1}{ {x}^{3} } = {(x + \frac{1}{x})}^{3} - 3(x + \frac{1}{x}) \\ = {( \sqrt{3}) }^{3} - 3 \times \sqrt{3} \\ = 3 \sqrt{3} - 3 \sqrt{3} = 0$

Answer 2

hey mate .....here's your answer....hope it helps:)