本文对用等价无穷小代换与洛必达法则求函数的极限进行了探讨。
This article discusses some problems which should be paid attention to using equivalation infinite small and the L Hospital Theory.
文章着重介绍了在正项级数比较审敛法的极限形式中，用等价无穷小的方法来判别正项级数的敛散性。
This paper is mainly about recognizing convergence with the methods of infinitesimal equivalence in the limit form of convergence criterion in series of positive terms .
对无穷小提出了新的分类法，并对等价无穷小替换定理的条件进行了简化，从而使得该定理应用更加方便。
In this paper, infinitesimal classification is given and theorem condition of equivalent infinitesimal replacement is simplified, thus, this theorem is easy to operate.
对幂指函数求极限的问题，提出了几种方法，尤其讨论了等价无穷小替换在幂指函数求极限过程中的可行性。并且以实例演练了理论的应用性。
Several methods about limit of power-exponent function are provided. Especially, the application of equivalent infinitesimal replacement is proved. And the theory is described by some examples.
本文介绍了如何利用无穷小等价代换求未定式的极限，使计算简单化。
This paper introduces how to make use of the replacement of same value infinitesimal in calculating limit of the undecided type.
本文介绍了如何利用无穷小等价代换求未定式的极限，使计算简单化。
This paper introduces how to make use of the replacement of same value infinitesimal in calculating limit of the undecided type.
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