[理工] 一階微分方程

[JLintopPG (天下第一控)]

1. Solve  dy/dx = [y+√(y^2-x^2)] / x


2. Solve  dy/dx = [2√(xy)-y] / x

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※ 編輯: JLintopPG (140.112.246.114), 07/26/2015 17:44:51