Question

What is the value of the given algebraic expression?
$\sqrt{( {x}^{2} + \frac{1}{ {x}^{2} } ) - 4}$
Options:
a) x+1/x b) x-1/x c) x^2+1/x^2 d) x^2-1/x^2​

Answer 1

option c is correct answer