3х^2 -5х+1=0. по т Виета x1+x2=5/3 x1*x2=1/3
y1=2/x1 y2=2/x2
y1+y2=2(x1+x2)/x1x2 =2(5/3)/(1/3)=10
y1*y2=4/x1x2=4/(1/3)=12
y^2-10y+12=0
3х^2 -5х+1=0. по т Виета x1+x2=5/3 x1*x2=1/3
y1=2/x1 y2=2/x2
y1+y2=2(x1+x2)/x1x2 =2(5/3)/(1/3)=10
y1*y2=4/x1x2=4/(1/3)=12
y^2-10y+12=0