Question

if x^2-3x+1=0 find the value of x^2+1/x^2​

Answer 1

Answer:

7

Step-by-step explanation:

x²-3x+1=0 then x=3+5^1/2÷2,3-5^1/2÷2.

x²+1/x²=(x+1/x)²-2

=3²-2

=9-2

=7