拉格朗日中值定理在方程有根证明题中的应用

Applications of Larange Mean Value Theorem in the Proof of Equations Which Have Roots

对微分中值定理证明方程有根的题型作了分类,分析并讨论了证明中的技巧,及证明中所采用的方法,并对不同例子进行了相应的拓展.

The types of equations which have roots proved by the differential mean value theorem are classified,and the techniques of the proof and the method used in the proof are analyzed and discussed.And the different examples are promoted in corresponding.