3x+1
2____
3x+1 =1
3
※3x+1係次方，點計？※
答案係 －1/3
整數指數律問題，好簡單家！
2007-08-04 12:49 am
回答 (1)
2007-08-04 1:12 am
✔ 最佳答案
2 ^3x+1 /3 ^3x+1 = 1(2/3) ^3x+1 = 1
3x+1 log (2/3) = log 1
3x+1 = log 1 / log (2/3) <---禁計數機
3x+1 = 0
3x = -1
x = - 1/3
參考: me
收錄日期: 2021-04-13 00:57:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070803000051KK03428