Question

If
$x - \frac{1}{x} = 5 \: \: then \: \: {x}^{2} - \frac{1}{ {x}^{2} } = |?|$
​

Answer 1

Step-by-step explanation:

by using the identityof a+b and a-b we can find but first we have to find root x and 1 by root x