Question

x square - 2+1/x square​

Answer 1

Answer:

X = 1/2 + sqrt( 5)/2

X = 1/2 - sqrt( 5)/2

Step-by-step explanation:

xsquare + 1/xsquare =2

x4 -x2 + 1 = 0

X = 1/2 + sqrt( 1+4)/2

X = 1/2 - sqrt( 1+4)/2

Answer 2

Answer:

x² - 2 + 1/x²

= (x)² - 2.x.1/x + (1/x)²

= ( x - 1/x)²