【摘要】 无穷小的阶是《高等数学》中的一个重要内容本文通过举例,介绍了无穷小的阶在计算极限、判断广义.积分和级数的敛散性等方面的应用,使这些原本复杂的运算简单化。更多还原

【Abstract】 Infinitesimal rank is an important part in Higher Mathematics.In this paper,many examples are provided to introduce that it is applied to many problems such as calculating limit, judging convergence and divergence in improper integral and progression and so on, by making the complicate calculation simple.更多还原