解:1,x^2-4mx+1/4*m^2=0 x={4m±√[(-4m)^2-4*1/4*m^2]}/2 =(4m±m√15)/2 ∴x1=2m+1/2*m√15,x2=2m-1/2*m√152,(2m^2+1)x^2-2mx+1=0 ∵ △=(-2m)^2-4*(2m^2+1) =-4(m^2+1) <0 ∴此方程无实数根