(2log2,3)成(log3,4耕號2)=5 怎嚜算的~ 請數學達人幫我解答
數學達人能加我即時麻! 很多想問 juixd_6102
數學 指數對
2011-07-06 7:47 am
回答 (1)
2011-07-06 7:59 am
✔ 最佳答案
2log23x log34√2= (2log3/log2) x [(log4√2)/log3]
= (2/log2) x log(2^2 x 2^(1/2)
= (2/log2) x log2^(5/2)
= (2/log2) x (5/2)log2
= 2 x (5/2)
= 5
參考: Tsui
收錄日期: 2021-04-13 18:04:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110705000015KK21964