1.lim[(1+x)/(2+x)]^(1-√x/1-x)(x--->0+)

1.lim[(1+x)/(2+x)]^(1-√x/1-x)(x--->0+) lim(x->0)((2-x)/(3-x))^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- 数学极限lim(x→0)((x^3)/(3*x^2-1)) lim(x→+无穷)(√x(x+2)-√(x^2-x+1)) 求下列极限：1)lim√(x)lnx (x->0+); 2)lim(sinx/x)^1/x (x->0+) lim(x^2+1/x^2-2x)^x=? lim((cos( √x))^(1/x)) x……0+ lim(x->0)ln(1+2x)/e^x-1 lim[(1-e^(-x))^1/2]/x x趋于0 lim(x→0)ln(1-2x)/x lim(x趋向0)ln(1+sin x)/x^2 lim(x→0)(1-x^2-e^-x)/sinx