\(x + \frac{1}{x} = \sqrt 2 \) হলে, \({x^2} + \frac{1}{{{x^2}}}\) = ?

\(x + \frac{1}{x} = \sqrt 2 \) হলে, \({x^2} + \frac{1}{{{x^2}}}\) = ?

A -2

B -1

C -3

D 0

Solution

Correct Answer: Option D