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函数是高中代数中最基本也是最主要的内容,函数的单调性又是其重中之重.利用函数(数列)的单调性求证不等式的核心即求最大(小)值,而求最大(小)值,利用函数的单调性是最常用的一种方法.以下分六个方面举列说明“函数单调性”在求证不等式中的妙用.
Function is the most basic and the most important part in high school algebra, and the monotonicity of the function is the most important function.Using the monotonicity of the function (sequence) to find the largest (small) value for the core of the inequality, ) Value, the use of monotonicity of the function is the most commonly used method. The following is divided into six areas: “monotonicity” in the proof inequality Magical.