limx趋向于0,x^2/ln(1-3x)=?

问题描述:

limx趋向于0,x^2/ln(1-3x)=?

limx^2/ln(1-3x)=lim2x/[-3/(1-3x) ("0/0"型)
x→0 x→0
=(-2/3)limx(x-3x^2)
x→0
=0