x---无穷 lim(3x+4/3x+2) ^6x+7求极限

lim(x+1)^x+1(x+3)^x+3/x^2x+4 x趋于无穷 关于极限1.lim((x^-1) + (x^-4))/((x^-2) - (x^-3)) x-> 正无穷2.lim ((e^x) - (e^-x))/((e^x) + (e^-x)) x-> 负无穷 lim趋于无穷.(x+2/x+3)^2x lim(x趋向无穷)[1-(2/x)]^3x lim x-无穷 (√3x^2+1)/x+1 x---无穷 lim(3x+4/3x+2) ^6x+7求极限 lim(x趋向正无穷)((x+1)^4-x^4-(xsinx)^2)/x^3=? 求极限值,lim {(x^2-2x+4)/(x^2-3x-1)}^(2x-1)求解!(x趋于无穷) 利用无穷小量,计算下列极限x-无穷,lim（2x^3-x-1）x-无穷,lim arctan x/x lim(4x-3)sinx/3x2-2x+5 x趋向无穷 求极限 lim(x趋于无穷)2x+3/5x+4等于多少 求lim(x^2+2x)/(x^3-3x+2),x→无穷的极限 lim x趋向无穷 {（2x^3+x)sin (2/x) }/ x^2+1 lim（x^2+2x-5）/（x^3+x+5）,x趋于无穷 lim(2^x+3^x+5^x)^(1/x)x-->正无穷 lim(2^x+3^x+5^x)^(1/x)x-->正无穷 1.lim x->0 sinx/ x 2.lim x趋于0 sin2x/3x 3.lim x趋于0 x乘以cot3x 4.lim x->无穷 sinx/2x 5.limx趋于无穷(1+X/X)2x 6.lim x->0(1+X)1/x 7.lim x->无穷(1-1/X)x 求极限 lim (3x^2-2x 4)(3-2cos3x)/x^3 5x 2 x趋近无穷