1. 1/(1+4x^2)
2. y[(1-y^2)^1/2]
想要answer+重要步驟
2條AL integration題目
2008-08-08 3:02 am
回答 (2)
2008-08-08 3:47 am
✔ 最佳答案
As follows:圖片參考：http://hk.geocities.com/stevieg_1023/IAA.gif
2008-08-07 19:48:24 補充：
呢D數學題目最好放係「數學」分類個度,個度有更多勁人同你解題^_^
2008-08-08 3:34 am
你唔記得公式姐.
1. Integrate 1/(1+x^2) dx = tan^-1x + C.
2. 先用by part: Integrate y[(1-y^2)^1/2]dy = 1/2 Integrate (1-y^2)^1/2dy^2.
再用formula Integrate (1-x^2)^1/2dx = x/2(1-x^2)^1/2 + 1/2sin^-1x + C.
1. Integrate 1/(1+x^2) dx = tan^-1x + C.
2. 先用by part: Integrate y[(1-y^2)^1/2]dy = 1/2 Integrate (1-y^2)^1/2dy^2.
再用formula Integrate (1-x^2)^1/2dx = x/2(1-x^2)^1/2 + 1/2sin^-1x + C.
收錄日期: 2021-04-22 00:39:36
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