Question

if x-1/x=-1 then the value of (x+1/x)^2​

Answer 1

Answer:

3

Step-by-step explanation:

GIVEN : x + 1/x = -1

SQUARING ON BOTH SIDES

(x-1/x) ² = (-1)²

x² + 1/x² - (2) (x) (1/x) = 1

x² + 1/x² -2 = 1

x² + 1/x² = 3