一个不等式的推广  

The generalization of a inequality

作　　者：查正权 ZHA Zheng-quan(Office of Supervision,Yancheng Preschool Teachers College,Yancheng 224005,China)

机构地区：[1]盐城幼儿师范高等专科学校督导室,江苏盐城224005

出　　处：《高师理科学刊》2018年第2期23-24,共2页Journal of Science of Teachers＇College and University

摘　　要：对不等式(min1≤i≤n{xi}){x1+(1+d)x2+…+[1+(n-1)d]xn}≤(n-1)d+2/2n(x1+x2+…xn)2(0≤d≤2,xi>0(i=1,2,…,n))中d的取值范围进行了拓宽,进而推广该不等式.For the inequality the range of the value of d is widened,and then the inequality is generalized.

关 键 词：不等式 对偶形式 设序法 

分 类 号：O13[理学—数学]