limx^3+2/3x+4 x趋向于无穷?
问题描述：
limx^3+2/3x+4 x趋向于无穷?
答
lim(x->∞) (x^3+2)/(3x+4)
->∞
limx^3+2/3x+4 x趋向于无穷?
lim(x->∞) (x^3+2)/(3x+4)
->∞