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证明不等式的过程,实际上就是一连串的合情合理的放与缩的过程.如何放?怎样缩?这就大有研究了.在放与缩的时候,采用哪些技巧?选择哪一种方法?由于各人的知识水平的不同,所拥有的基本能力的差异,因此证明过程的繁与简也就大相径庭了.先来欣赏一个最简单的例子:例1求证:log23log
The process of proving the inequality is actually a series of reasonable and reasonable processes of putting and shrinking. How to reduce it? This has been studied. What techniques are used when putting and shrinking? Which method is chosen? Different people’s level of knowledge and the difference in their basic capabilities, so the process of proof is very different. First come to appreciate one of the simplest examples: Example 1 verification: log23log