Question

If X^2 +1/x^2=11 find value of x-1/x=? Plz help

Answer 1

Answer:

p=3

Step-by-step explanation:

let (x-1/x)=p;

p^2=x^2+(-1/x)^2-2*x*(1/x)

p^2=11-2

p=3.