若log3=a及log5=b,試以a及b表示
log(2/27)1/2次方
log對數函數...
2008-11-11 5:36 am
回答 (1)
2008-11-11 5:48 am
✔ 最佳答案
log(2/27)^(1/2)=1/2(log2-log27)
=(log10-log5-log(3^3))/2
=(1-b-a)/2
收錄日期: 2021-04-25 13:44:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081110000051KK01801