Question

If x²-3x+1=0 then x^10-123x^5+1=8 find x​

Answer 1

Answer:

x

2

−3x+3=0

We have a formula for solving quadratic equation ax

2

+bx+c=0 is

x=

2a

−b±

b

2

−4ac

∴x=

2

3±

9−4×3

∴x=

2

3±i3