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Article #13879宿題 in UK
From: Student
Date: Tue, 23 Apr 1996 00:00
Date: Tue, 23 Apr 1996 00:00
18 lines
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1011 bytes
学校の宿題が難しすぎます。
だれか助けてください。
微分方程式についてなんですが。
Show that the following differential equation in not exact.
2 2 dy 2 2
(x + sinx + xy siny)-- - x y cosx + y cosy = 0
dx
1
Show that ------ is an integrating factor and hence find the general solution.
x^2*y^2
わかりますか？
日本語でもいいですから、おねがいします。
大学生（ＵＫ）
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