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∫ log 3x dx
integration(8)
2011-01-18 1:27 am
回答 (1)
2011-01-18 1:35 am
✔ 最佳答案
∫ log 3x dx= xlog3x - ∫ x d(log3x)
= xlog3x - ∫ x d(log 3 + logx)
= xlog3x - ∫ 1 dx
= xlog3x - x + C
= x(log3x - 1) + C
參考: Hope the solution can help you^^”
收錄日期: 2021-04-19 23:52:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110117000051KK00783