[理工] [工數]-分離變數法
小的不才..連簡單的問題都看不懂..所以希望大大們可以教一下..以下是我的問題
du = u(u-2)dx
du/u(u-2) = dx
[(1/u-2)-(1/u)]du =2dx
請問最後一行怎麼出來的..可以教一下詳細的步驟嗎..謝謝 : )
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