maths

2006-11-09 8:20 pm
1-(1 over 1-(1over 1-(1 over a)
HOW TO CALCULATE

回答 (3)

2006-11-09 8:32 pm
✔ 最佳答案
1 - { 1/1 - (1/1 - 1/a) }
= 1- { 1/1 - [1/ (1-a)]}
=1- (1/ -a)
= 1/ (1+a)
2006-11-09 9:43 pm
Is it = 1 - 1/{1 - [1/ (1- 1/a)]} ?

If yes, = 1 - 1/{1 - 1/[(a-1)/a]}
= 1 - 1/{1 - a/(a-1)}
= 1 - 1/{(a-1-a)/(a-1)}
= 1 - 1/{(-1)/(a-1)}
= 1 + 1/{1/(a-1)}
= 1 + a - 1
= a

Hope it is right and can help u
參考: myself
2006-11-09 8:31 pm
=1 over a


收錄日期: 2021-04-12 22:30:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061109000051KK01149

檢視 Wayback Machine 備份