Solve y'' +y' = cosx

👨🏻‍🏫 學術台數學

2007-07-24 7:31 am

Solve y'' +y' = cosx, such that: y (0) = 3, y''(0) = 0.

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魏王將張遼

2007-07-24 5:40 pm

✔ 最佳答案

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決賽

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參考: My Maths knowledge

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