Consider the equation y" - Oy' - 9y = 3x² – 3e³x - 7xe³ - 9e-2. According to the method of Undetermined Coefficients, the particular solution has the form: A. C₁x² + С₂e³+ С3xе³ + С₁е-²x -2x B. C₁+C₂x + C3x² + С₁xе³x + С5x²e³x + С₁е-²: c. С₁x + С₂x² + С3x³ + С₁xе³x + С5x²e³x + С₁xе¯ -2x O D. C₁ + С₂x + С3x² + С₁е³x + С5xе³x + С₁е-²x E. none of the above

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A: Topic = Quadratic equations

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