lim((1+x)^5-(1+5x))/(x^2+x^5) x趋向于0

lim((1+x)^5-(1+5x))/(x^2+x^5) x趋向于0 求极限lim(e^3x-5x)^1/x x趋向于正无穷 x趋向于无穷大lim(2x^3-x^2+5)/(3x^2-2x-1) lim(x趋向于0）arcsin2x/5x 求lim x趋向于0(arctanx)/(x^2+1) lim(1-2^x)^sinx x趋向于－0 lim（x趋向于0）（1-cosx)/x^2 lim(1+e^1/x)^x,x趋向于+0 lim(1-cosx)/5x x趋向0 求lim{[(2x+1)^20*(3x+5)^30]/(5x+7)^50} (x趋向于无穷大) 计算lim﹛x²/[(1+5x)∧0.2-(1+x)]﹜x趋向于0 x趋向于无穷,lim(3X²-2X+5/X²+1)求极限的解答过程.