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不等式是高中数学中的一个重要内容,其题型灵活多变。无论是在高考还是高中数学竞赛中,都是以较难或难题的形式出现的,因此是学生最不容易得分的题型之一。本文将用微分中值定理解决一类与不等式有关的问题。一、两个重要的微分中值定理1.拉格朗日中值定理:设函数f(x)在闭区间[a,b]上连续,在开区
Inequality is an important part of high school mathematics, its type is flexible. Whether in the college entrance examination or high school mathematics contest, are more difficult or difficult to appear in the form, it is one of the most difficult questions the students questions. In this paper, we use the differential mean value theorem to solve a class of problems related to inequalities. First, two important differential mean value theorem 1. Lagrange median theorem: Suppose the function f (x) in the closed interval [a, b] on the continuous, open area