Question

已知m是实数,关于x的方程m^2x=m(x-3)+3的解不大于2,则m的范围是

Answer 1

m^2x=m(x-3)+3

m^2x-mx=3-3m

(m^2-m)x=3-3m

x=(3-3m)/(m^2-m)

x