Question

if x+1/x=11 then findx×x+1/x×x​

Answer 1

Step-by-step explanation:

given x + 1/ x = 1

squaring both sides

(x + 1/ x ) ^ 2 ( 1 ) ^2

using ( a - b ) ^ 2 formula

x^2 + ( 1/x)^2 - 2. x . 1/x = 1

x^2 + 1/x^2 -2 = 1

x^ 2 + 1/x ^2 = 1 +2 =3