Forgot password?
 Register account
View 1928|Reply 1

[几何] 又一道圆锥曲线比例定值题

[Copy link]

460

Threads

952

Posts

9848

Credits

Credits
9848

Show all posts

青青子衿 Posted 2014-5-1 20:30 |Read mode
过点F(1,0)作直线AM//l,记l与曲线C:$x^2/2+y^2=1$ 相交于两点P,Q,动直线AM与y轴交于点N,证明: $\frac{|PQ|}{|AM||AN|}$为定值

84

Threads

2336

Posts

110K

Credits

Credits
13076

Show all posts

其妙 Posted 2014-5-1 21:43
回复 1# 青青子衿
这里有:1、blog.sina.com.cn/s/blog_54df069f0101js6b.html
2、blog.sina.com.cn/s/blog_3e2913e90101fq3t.html
广东省深圳市2014届高三第二次调研考试理数试题

Mobile version|Discuz Math Forum

2025-6-6 09:05 GMT+8

Powered by Discuz!

× Quick Reply To Top Edit