Question

if x = 3-√13/2 = x²+ 1/x²

Answer 1

given,

X=3-√13/2

requirements:

x²+ 1/x²=?

now put the value of X=3-√13/2  in above equation!! :)

x^2=(3-√13/2 )^2

x^2=1.433

x²+ 1/x²= 1.433+1/1.433

1/1.433=0.697

x²+ 1/x²= 1.433+1/1.433

x²+ 1/x²= 1.433+0.697

x²+ 1/x²=2.13