Let f(x)=aX^2+bx+c,where a,b,c are real and a not=0
If Alpha and Bravo are the roots of f(x)-x=0,prove that Alpha and Bravo also
the roots of f[f(x)]
If f(x)=x^2-3x+2,solve f[f(x)]-x=0
F.4 A.Maths
2008-10-01 4:47 am
回答 (1)
2008-10-01 5:09 am
✔ 最佳答案
Please see my answer at hk.knowledge.yahoo.com/question/question?qid=7008091901570
收錄日期: 2021-04-25 22:38:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080930000051KK01748