Discuz Math Forum»Forum › Mathematics › High School › 一道初中的抛物线题目求几何法或者解析方法

Return to list New

View 293|Reply 2

[几何] 一道初中的抛物线题目求几何法或者解析方法

[Copy link]

107 Threads	225 Posts	2905 Credits

Credits: 2905

Send PM

facebooker Posted 2024-12-8 00:18 |Read mode

如图：

抛物线，极点极线

抛物线，极点极线

Related threads

Reply Edit

0 Threads	412 Posts	6093 Credits

Credits: 6093

Send PM

爪机专用 Posted 2024-12-8 00:38 From mobile phone

高中解几搞极点极线也算了，现在连初中也搞起来了吗？

Q的轨迹就是P对抛物线的极线，PQ最小就是垂直于极线时。

Comment

一针见雪！ Posted 2024-12-8 00:49

I am majia of kuing

Reply Edit

Return to list New

Mobile version|Discuz Math Forum

2025-6-5 07:49 GMT+8

Powered by Discuz!

× Quick Reply To Top Edit