Forgot password?
 Register account
View 247|Reply 1

[不等式] 比较大小 $a=1/10,b=\ln\frac{10}9,c=\frac{\sqrt{10}}{30}$

[Copy link]

768

Threads

4685

Posts

310K

Credits

Credits
35004

Show all posts

isee Posted 2024-12-29 13:19 |Read mode
Last edited by isee 2024-12-29 13:59将以下面三数 $a=1/10,b=\ln\frac{10}9,c=\frac{\sqrt{10}}{30}$ 从小到大排序.
isee=freeMaths@知乎

4

Threads

139

Posts

2198

Credits

Credits
2198

Show all posts

Aluminiumor Posted 2024-12-29 13:49 From mobile phone
显然 $a<b,a<c$
$b=\ln(10/9)<\sqrt{10/9}-\sqrt{9/10}=c$
Wir müssen wissen, wir werden wissen.

Mobile version|Discuz Math Forum

2025-6-5 01:37 GMT+8

Powered by Discuz!

× Quick Reply To Top Edit