1. Find the range of real values of m if the quadratic equation
9x^2 - (m+6)x+(m-2)=0 has two unequal positive roots.
2. If -1/6 ≦ y ≦ 1, find the range of values of absolute y.
2條 F.4 Amaths Inequalities
2009-07-18 9:11 pm
回答 (1)
2009-07-18 9:46 pm
✔ 最佳答案
As follows:圖片參考：http://h.imagehost.org/0785/ScreenHunter_01_Jul_18_13_43.gif
圖片的超連結:
http://h.imagehost.org/0785/ScreenHunter_01_Jul_18_13_43.gif
收錄日期: 2021-04-23 20:39:07
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090718000051KK00733