limx趋向于0,x^2/ln(1-3x)=?
问题描述:
limx趋向于0,x^2/ln(1-3x)=?
答
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