find f(x)
更新1:
f(x) = log |x| + C ? isn't it f(x) = In |x| + C?
short Integration question X1
回答 (2)
2007-08-08 6:04 am
✔ 最佳答案
f'(x) = k/x f(x)
=∫( k / x) dx
= k log | x | + C
2007-10-12 9:04 am
你咁寫，睇既人都係會唔識架喎。
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https://hk.answers.yahoo.com/question/index?qid=20070807000051KK05248