[理工] [工數]-已知一齊性解,求通解
我看到很多題型
裡面都只有講到擁有齊性解的時候,解ODE
但我發現如果他今天給我非齊性解呢??
例如 xy'' + y' + y = 1 + x , yp = x
這樣該如何求解呢??
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11/20 01:28, 14F
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