Question

solve this one........................​

Answer 1

x2-5x+4=0

x2-4x-x+4=0

x(x-4)-1(x-4)=0

(x-4)(x-1)=0

x=4,1

let alpha=4 ,beta =1

1/4+1/1-2(4)(1)=1/4+1-8=1/4-7=1-28/4=-27/4