Question

Arithmetic mean of the roots of the equation x^2-6x+8=0 is

Answer 1

Step-by-step explanation:

x²-6x+8=0

x²-4x-2x+8=0

x(x-4)-2(x-4)=0

(x-4)(x-2)=0

x=4,x=2

Arithmetic mean=(4+2)/2

=3