Forgot password?
 Register account
View 2865|Reply 3

[不等式] 谜一样的不等式 寻找明灯照亮方向

[Copy link]

107

Threads

225

Posts

2905

Credits

Credits
2905

Show all posts

facebooker Posted 2019-7-23 02:04 |Read mode
已知$a,b,c≥0$且有$a+b+c=1,$证明:$a^2+b^2+c^2+\frac{9}{2}abc≥\frac{1}{2}$

686

Threads

110K

Posts

910K

Credits

Credits
91229
QQ

Show all posts

kuing Posted 2019-7-23 02:54
齐次化 + schur 分拆

686

Threads

110K

Posts

910K

Credits

Credits
91229
QQ

Show all posts

kuing Posted 2019-7-23 13:44

770

Threads

4692

Posts

310K

Credits

Credits
35048

Show all posts

isee Posted 2020-11-9 10:06
回复 3# kuing

搜到另外一个链接,可下;传上来。
$type

用Schur分拆方法证明不等式竞赛题.pdf

150.64 KB, Downloads: 10641

Mobile version|Discuz Math Forum

2025-5-31 10:56 GMT+8

Powered by Discuz!

× Quick Reply To Top Edit