nd a particular solution y, of the following equation using the Method of Undetermined Co y"-y' - 2y = 8x + 5 particular solution is y(x) = |

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Q: Applying the method of undetermined coefficients, solve y" + y' + 8y = (10x² + 21x +9)sin 3.x + x…

A: Given differential equation, y''+y'+8y=10x2+21x+9sin3x+xcos3x To find the auxillary equation,…