利用导数证明不等式的几种方法

Some Methods of Using Derivatives to Prove Inequality

导数是高等数学中一个十分重要的概念，本文结合实例论述了利用导数证明不等式的几种常用方法。

Derivatives of higher mathematics in a very important concept, this paper discusses examples demonstrate the use of derivatives of several common methods of inequality.