x→0 X^2的高阶无穷小0(x^2)乘以 x 等于x的几阶无穷小?

问题描述:

x→0 X^2的高阶无穷小0(x^2)乘以 x 等于x的几阶无穷小?

x→0 时,xo(x^2)是x的3阶无穷小确定吗?当然!