(log(ab)/log a)‧(log(ab)/log b) + (log(a-b)/log a)‧(log(a-b)/log b)=0
求a和b
log 的難題 急
2011-01-23 6:44 am
回答 (1)
2011-01-23 6:57 am
✔ 最佳答案
http://img98.imageshack.us/img98/6097/41882540.png圖片參考：http://img98.imageshack.us/img98/6097/41882540.png
2011-01-22 23:03:41 補充：
a,b not equal 1
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110122000051KK01298