limx趋向于无穷大((2+e^(1/x))/(1+e^(4/x)+sinx/|x|)

limx趋向于无穷大((2+e^(1/x))/(1+e^(4/x)+sinx/|x|) limx趋向于0(e^x-e^-x-2x)/(x-sinx).用洛必达法则求极限 lim(x趋向于无穷大时)e^(1/x) lim(1-x^2-e^-x²)/(sinx^4) x趋向于0 求极限limx趋向于0 x^2·e^(1/x^2) limx趋向于无穷大(x^2+1/2x+1)sin4/x等于多少 limx趋向无穷大,(1+1/x)^3x+2=? limx趋向于无穷大x^2(1-cox1/x)=多少 求极限limx(e^(1/x)-1),x趋向∞ 一道微积分习题lim（x趋向于无穷大）x[（1+1/x)^x-e] lim（x趋向于无穷大）x[（1+1/x)^x-e] lim x-sinx/x(e^2-1)求极限x趋向于0