题目
编号:A2016201
设 $\alpha_{1} = x(\cos \sqrt{x}-1)$, $\alpha_{2} = \sqrt{x}\ln(1+\sqrt[3]{x})$, $\alpha_{3} = \sqrt[3]{x+1}-1$.
当 $x \rightarrow 0^{+}$ 时,以上 $3$ 个无穷小量按照从低阶到高阶的排序是 $?$
$$A. \alpha_{1}, \alpha_{2}, \alpha_{3}$$
$$B. \alpha_{2}, \alpha_{3}, \alpha_{1}$$
$$C. \alpha_{2}, \alpha_{1}, \alpha_{3}$$
$$D. \alpha_{3}, \alpha_{2}, \alpha_{1}$$
继续阅读“2016年考研数二第01题解析”