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 May 1 accepted Finding fundamental set of solution of higher order differential equation May 1 comment Finding fundamental set of solution of higher order differential equation Sorry, I don't quite understand why I don't need to use Wronskian to conclude this. In which case then do I need to use the Wronskian to conclude that something is a fundamental set of solution? Thank you May 1 asked Finding fundamental set of solution of higher order differential equation May 1 accepted Differential equation: finding particular solution when the RHS is in form A/t May 1 comment Differential equation: finding particular solution when the RHS is in form A/t How to know when I need to apply the method of variation of parameter? May 1 revised Differential equation: finding particular solution when the RHS is in form A/t added 29 characters in body May 1 asked Differential equation: finding particular solution when the RHS is in form A/t Apr 30 accepted Differential Equation: Complex Eigenvalue Apr 26 asked Differential Equation: Complex Eigenvalue Apr 3 accepted Why is the particular solution of $y'' - 4y' +3y = e^t$ not in the form of $Ae^t$ Apr 3 comment Why is the particular solution of $y'' - 4y' +3y = e^t$ not in the form of $Ae^t$ "both $e^t$ and $te^t$" meaning the homogenous equation looks like $Ay'' - By' + Cy = e^t + te^t$, then the particular solution will look like $t^2e^t$, am I correct? Apr 3 comment Why is the particular solution of $y'' - 4y' +3y = e^t$ not in the form of $Ae^t$ and if $te^t$ is already in the homogeneous solution, we will need to multiply by one more $t$ making it $t^2e^t$? Apr 3 asked Why is the particular solution of $y'' - 4y' +3y = e^t$ not in the form of $Ae^t$ Apr 1 accepted Particular Solution of $y'' - 3y' - 4y = 3e^{2t}$ Apr 1 comment Particular Solution of $y'' - 3y' - 4y = 3e^{2t}$ Thank you. I feel ashamed that I did not see this. Apr 1 asked Particular Solution of $y'' - 3y' - 4y = 3e^{2t}$ Mar 31 accepted Differential Equation $y'' + 8y' - 9y = 0$ and Wronskian Mar 31 comment Differential Equation $y'' + 8y' - 9y = 0$ and Wronskian yes. thank you. Mar 31 asked Differential Equation $y'' + 8y' - 9y = 0$ and Wronskian Mar 31 asked Differential Equation - general solution