Do the circle (x+a)^2 + (y-b)^2 = a^2 + sb^2 (where a>0, b>0)
and the intersect at two distinct points?
立果2條式
一條係樓上果條
仲有一條係乜? 詳細列明點解
THANKS ^^ !!!!!
收錄日期: 2021-04-13 19:13:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130103000051KK00243