Question

if x^2+1/x= 11 then x^2 +1/x^2 =​

Answer 1

Step-by-step explanation:

Given equation is x+1/x+11

on squaring both side,we get

(x+1/x)^2=(11)^2

x^2+1/x^2+2*x*1/x=121

x^2+1/x^2+2=121

x^2+1/x^2=121-2

x^2+1/x^2=119