Question

if x=2+route3 find the value of x2+1/x2​

Answer 1

Answer:

x= 2+√3

1/x= 1/2+√3

1/x=2-√3/(2)²-(√3)²

1/x=2-√3/1

1/x=2-√3

1/x+x = 2+√3+2-√3

x+1/x=4

(x+1/x)²=(4)²

x²+1x²+1= 16

x²+1/x²=16-1

x²+1/x²=15