Скачать или смотреть Variation of parameters method - second order differential equations

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This tutorial introduces the variation of parameters method. It's a pretty general method that works in many more situations than the undetermined coefficients method to find a particular solution to a differential equation. It requires integration, and often the integration gets really messy really fast, so if the equation that you are solving can be solved with undetermined coefficients, then you should use that method, but if not, then this method should work for you. This tutorial is part of a full free course on differential equations.

Links:
All Free Differential Equations Tutorials (Website): https://www.engineer4free.com/differe...
All Free Differential Equations Tutorials (YouTube):    • Differential Equations  
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Thanks for watching, I hope it helps!