lim(x-->0) [(x-1)/(x+1)]^x

lim(x->0)((2-x)/(3-x))^1/x lim(x->0+) e^(1/x) 几道求极限的高数题,lim1/x(tanπx/(2x+1)) x→∞lim x(x^x-1)x→0+lim(x^x^x- lim(0-∞)/(x+1) lim（x-3/x+1）^x lim趋向无穷大 lim(x->0)ln(1+2x)/e^x-1 计算极限 lim(1-x)^1/x x趋向0 lim[(1-e^(-x))^1/2]/x x趋于0 lim(x→0)(x/1-sinx/x+1) x趋向0 lim [ ln (1-x) / (e ^ x-1 ) ] 求极限 lim/x-0 (根号x+1) -1/x lim(1+e^1/x)^x,x趋向于+0