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Test for exactness. If exact, then solve it. If not, use an integrating factor as given orfind it by inspection or from the theorems in the text. Also, if an initial condition isgiven, determine the corresponding particular solution.<div></div> 本帖最後由 u06m4rmp4 於 2017-10-23 03:04 AM 編輯
哪邊寫錯或者看不懂在跟我說
如果題目沒有限制方法 這三題我覺得用分離變數法會更快更直觀
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