• anonymous
$y''+2y'+y=xe^{-x}$ $r^2+2r+1=0$ $r_1=r_2=1$ $y_c=c_1e^{-x}+c_2e^{-x}$ for y_p would I have (before I derive it and solve for A) $y_p=Ae^{-x}$ or $y_p=Axe^{-x}$ ?
Mathematics

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