lim(x趋向于+∞)(x+3/x^2-x)*tanx的极限

lim(1+3x)^(2/x)x趋向于零 求lim[(3-2x)/(1-2x)]的x次方x趋向于∞ lim(x趋向于+∞)(x+3/x^2-x)*tanx的极限 lim(x趋向于无穷)(1+3/x)^(x-3) lim(1+3x)^3/x x趋向于0 lim(x趋向于0)(x*cotx-1)/(x^2) lim[(sin x)^tan x],x趋向于Pai/2 lim(1-2x)^1/x x趋向于0 求极限,lim(x趋向于1)(x^2-2x+1)/(x^3-x) 若lim[x/f(3x)]=2(x趋向于0）,则lim[f(2x)/x]=?(x趋向于0) lim(3x³-2x²-x+2) X趋向于3, x趋向于无穷时 lim (3x-1)/(x^3 乘以 sin(1/x^2 )) 求lim x趋向于无穷时(-X)/(2X^2+3x-1)答案 求极限lim(x趋向于1)x+3x+2/x+1 lim(x^2+x+a)/(x-1)=3 X趋向于1 求a 求极限 lim（3- x/2 -x)^x x趋向于无穷 lim(√(x^2+3x)-x) 怎么求X 趋向于 正无穷 f(x)={x x=1}求lim x趋向于1- f(x) lim x趋向于1+ f(x) lim趋向于1 f(x)f(x)={2x-1 x0} 求lim x趋向于0- f(x) lim x趋向于0+ f(x) lim趋向于0 f(x)