Without using calculator, find :
log { 9 x log 8 to the base 3} to the base 2.
Logarithm
2013-01-05 8:34 pm
回答 (1)
2013-01-07 5:20 pm
✔ 最佳答案
log {9 x log 8 to the base 2} to the base 3= log {9 x log 8 / log 2} / log 3
= log {9 x log 2^3 / log 2} / log 3
= log {9 x 3log 2 / log 2} / log 3
= log {9 x 3} / log 3
= log 27 / log 3
= log 3^3 / log 3
= 3log 3 / log 3
= 3
參考: knowledge
收錄日期: 2021-04-28 14:22:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130105000051KK00133