On the research of differential mean value theorem application, most of the methods used to construct the auxiliary function in solving such a proposition.How to construct an auxiliary function is the key to prove these kinds of problems.In this paper, the methods and construction techniques of three kinds of auxiliary function were given and applied in examples.%通过对微分中值定理的应用研究,发现在解决此类命题中,大多采用构造辅助函数的方法来证明,如何构造辅助函数成为证明此类问题的关键.本文给出了三类关于辅助函数的构造的方法和技巧,并给出例题并加以应用.
展开▼
