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中学数学教学, ISSN 1002-4123, 2016, Issue 1, pp. 23 - 23
0引言柯西不等式的证明方法众多,技巧性也强,不少文献总结出证明柯西不等式的若干证法,但是有些证明方法值得商榷,如[2]、[3]、[4]中向量法证明Cauchy不等式,本文指出证法中存在的问题,并给出用向量法证明Cauchy不等式的一种证法. 
柯西不等式 | 证法 | 欧几里得空间 | 线性相关 | 夹角余弦 | 证明方法 | 向量法 | 文献总结 | 充分必要条件 | Cauchy
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