Question

if x-1/x=2 , then the value of x square+1/x square is........​

Answer 1

Answer:

6

Step-by-step explanation:

$x - \frac{1}{x} = 2\\Squaring\\(x - \frac{1}{x})^2 = 2^2\\x^2 + (\frac{1}{x})^2 - 2*x*\frac{1}{x} = 4\\x^2 + (\frac{1}{x})^2 - 2 = 4\\x^2 + (\frac{1}{x})^2 = 6$