Question

Factorise (x²+1/x²)-4(x+1/x)+6
from class 9 r.d. sharma​

Answer 1

Step-by-step explanation:

(x+1/x)² - 2 - 4(x+1/x) + 6

(x + 1/x)² - 4(x + 1/x) + 4

{(x + 1/x) - 2 }²