∫(3x^3+12x-2)/(x^2+4)dx
∫cos√xdx
Indefinite Integration
2011-05-22 10:35 am
回答 (2)
2011-05-22 12:26 pm
✔ 最佳答案
圖片參考：http://i1096.photobucket.com/albums/g340/pingshek/2011-5-22-2.png?t=1306009488
http://i1096.photobucket.com/albums/g340/pingshek/2011-5-22-2.png?t=1306009488
2011-05-22 14:34:57 補充：
第1題更正如下：
........
∫2dx/(x²+4) = ....... = ∫dθ = θ - C
∫[(3x³ + 12x - 2) / (x² + 4)]dx
= (3x²/2) - tan¯¹(x/2) + C ...... (答案)
2011-05-22 14:49:22 補充：
第一題更改的內容可參考以下連結：
http://i1096.photobucket.com/albums/g340/pingshek/amendment.png?t=1306046891
參考: miraco, miraco
2011-05-22 6:37 pm
上面 miraco 答案第四行
Integrate d(theta) = theta + C only
Integrate d(theta) = theta + C only
收錄日期: 2021-04-29 00:06:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110522000051KK00144