Cauchy—Schwarz不等式的多种证法及推广

Cauchy—Schwarz' Inequality's Different Demonstrations and Its Extension

本文对高等数学中一个非常著名的Cauchy—Schwarz不等式采用多种证法进行了证明 ,并对其加以推广 .

A very famous inequality of Cauchy—Schwarz in advanced math is proved in several kinds of methods in this article. And the author also gives out the extension of the inequality.