Question: Help with third order inhomogeneous, nonconstant coefficient system (with a known solution)

Hi,

I have a third order system with nonconstant coefficients I would like to solve in Maple.  I have found a solution  but, I need a general solution.  I have attached the worksheet.  In the worksheet I have commented the system and the known solution.  AllCalculationsPertu.mw

Is there some way to construct the general solution from known solutions like a variation of parameters?

 

Thanks,

Ryan

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