∫e^(ax)cos(bx+c)dx=?

2011-12-05 11:50 pm
∫e^(ax)cos(bx+c)dx=?

請列詳細步驟。

回答 (1)

2011-12-06 1:11 am
✔ 最佳答案

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2011-12-06 00:42:01 補充:
Step 1 to step 2 is using the rule:
d(e^ax)/dx = ae^ax
Hence d(e^ax) = ae^ax dx, giving d(e^ax)/a = e^ax dx
參考: 原創答案


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