lim(x趋向0)(1+X)/(2X+X^2)=?
lim(x趋向0)((sinx/x)+1)=2?
lim(x趋向于0)(1-cosx)/x^2
lim(x趋向0)ln(1+sin x)/x^2
lim(x/(1+x^2)),x趋向无穷大
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
Lim (1+x)(1+2x)(1+3x)-1除以x (x趋向0)
当x趋向于0时,求证lim(2x+1)/x-1=-1
lim(x+e^2x)^1/sinx(x趋向于0)=?
lim(x趋向0)1+x-e^x/x^2
求下列极限 lim(x趋向2)x-2/根号3x-2.和lim(x趋向0)根号1+x^2-1/x
若lim[x/f(3x)]=2(x趋向于0),则lim[f(2x)/x]=?(x趋向于0)
求下列式子的值(1)lim(x趋向无穷) (2x+7)/[(x-1)(x+2)]=?(2)lim(x趋向无穷) (3x^