Question

if x-1/x=-2 find the value of x^2+1/x^2

Answer 1

hope this helps you ☺

Answer 2

$\sf{GIVEN} :- \huge{x - 1/x = -2}$

now ,let us Square on both side,

we get,

x² + 1/x² - 2x * 1/x = (-2)²

x² + 1/x² = 4 + 2

$\sf{\Huge{x^2 + 1/x^2 = 6}}$