Differentiation & Intergration

2010-02-23 4:48 am
Given y = logx,
Find dy/dx.
Also, Find ∫y dx.

請指教~最好簡單

回答 (3)

2010-02-23 9:42 am
✔ 最佳答案
As follows:

圖片參考:http://i707.photobucket.com/albums/ww74/stevieg90/03-54.jpg


2010-02-23 01:44:05 補充:
log_x y=(log_u y)/(log_u x)
proof: http://hk.knowledge.yahoo.com/question/question?qid=7010022101590

2010-02-23 12:59:47 補充:
^^
係牙...如果base係e...我諗deathnote都識in同d~
2010-02-24 1:09 am
過獎了~~~在下看到答案,,,應該也會solve base e 的了~
先謝了~~
2010-02-23 8:56 pm
題目有講明log x係指base 10咩?

雖然中學個陣通常log x係指base 10,但數學唔一定係咁,
例如Number Theory入面,log x通常係指base e。


收錄日期: 2021-04-22 00:47:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100222000051KK01565

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