lim的2x^2-3x+5除3x^2+2x+4,计算极限
lim的2x^2-3x+5除3x^2+2x+4,计算极限
lim(x→∞)(x^2+x)/(x^4-3x-1)的极限
求极限lim (3x^3+5x^2+x) / (7x^3+5x-4)
计算极限lim (x->1)[(x^2=3x-4)/x^2-1)] lim (x->正无穷)[(1+1/2x)^3x]
计算极限 lim X2-3X+2 -------------- x→2 X2+5X-6
计算极限:lim(x→2) (x^3+2x^2)/(x-2)^2
求极限,lim 2x³+3x²+5/7x³+4x²-1 的极限
lim(x^2+6x+5)/(x^2-3x-4)的极限,x趋于-1
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
求lim(x^2+2x)/(x^3-3x+2),x→无穷的极限
lim x→0 (x^2+2x-1)/(x^3-2x)的极限是多少
极限lim(x^2+2x+3)/(x-1)