lim (x^3-x^2+4x)/(x^2+x) x→ 0
问题描述:
lim (x^3-x^2+4x)/(x^2+x) x→ 0
答
(x^3-x^2+4x)/(x^2+x) =x(x^2-x+4)/x(x+1)=(x^2-x+4)/(x+1)
lim (x^3-x^2+4x)/(x^2+x) x→ 0=lim(x^2-x+4)/(x+1)=4