设lim(X趋向于0) f(2X) / X等于2/3 则lim(X趋向0) X/ f(3X)等于?
设lim(X趋向于0) f(2X) / X等于2/3 则lim(X趋向0) X/ f(3X)等于?
若lim[x/f(3x)]=2(x趋向于0),则lim[f(2x)/x]=?(x趋向于0)
x趋向于0 lim f(x)/x=0
设f'(x0) 存在,求lim[ f(x0-x)-f(x0)]/x,x趋向于0
lim(x趋向于0)(1-cosx)/x^2
求lim(x趋向0) (2x+e^3x)^1/x等于多少
lim(x+3^x)^(1/x)等于多少啊?x趋向于0
lim(x趋向于0)f(2x)/x=1,且f(x)连续,则f'(0)=
求极限 (1) x趋向x/6 lim ln(2cos2x) (2) x趋向0 lim(e^x-1)/x (3) x趋向0
设函数fx在x=0处可导 且f(0)=0 则lim x趋向于0 x^2fx-2f(x^3)/x^3=
设x趋向于零时lim { ln[1+f(x)/sin2x]}/(3的x次方-1)=5,则当x趋向于零时lim (f(x)
Lim (1+x)(1+2x)(1+3x)-1除以x (x趋向0)