lim[(4x^3-2x^2+x)/(3x^3+2x)] x→0,求极限.
求极限lim(x→2)(x^2-3x+2)/(x^2+4x-12)
1.4求极限lim(x→∞) (x^2+x)/ (x^4-3x^+1)
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
lim[(4x^3-2x^2+x)/(3x^3+2x)] x→0,求极限.
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
求极限lim(1-2/x+3/x^2)^x
求lim(x^2+2x)/(x^3-3x+2),x→无穷的极限
求极限lim (3x^3+5x^2+x) / (7x^3+5x-4)
求极限lim(x~0)((e^x+e^2x+e^3x)/3)^1/x
lim 3x^2-3x+2/x^2-4 求极限x→∞
求极限lim 4x立方-2x平方+x/3x平方+2x,x趋近0
lim x→0 (x^2+2x-1)/(x^3-2x)的极限是多少