Question

if x=1+√2,find the value of x^2+1/x^2​

Answer 1

Given

x=1+√2

$\huge\frak{solution}$

x²+1/x²

(1+√2)²+1/(1+√2)²

1+2+2√2+1/1+2+2√2 {use identity (a+b)²}

4+2√2/3+2√2

★Hope this answer helps uh!!!