lim[(x-1)/(x+1)]^(x+2) X趋近于无穷大,求极限

lim[(x-1)/(x+1)]^x lim (e-(1+x)^(1/x))/x lim(x+e^3x)^1/x lim(1-x)^(2/x) x->0 lim（x-3/x+1）^x lim趋向无穷大 lim x趋向1 x-x^x/(1-x+lnx) 数学极限题Lim x^x-x/(1+lnx-x)Lim x^x-x/(1+lnx-x)x→1 lim(1-sinx)^1/x lim x趋于零 lim(1-sinx)^1/x lim 1(x/(x-1)-1/(lnx)) lim(1+1/x-1)^x是多少 Lim(x>1) x-1/x^2+x-2.计算 lim x-1/x平方+3x-4 x-1 lim((ln(1+x))/x)^(1/x) x->无穷大 lim x→1 x-1/x^2-x lim(1+a/x)bx lim(0-∞)/(x+1) lim(lnx)-1/(x-e)