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Question: ordinary differential equations particular solution undetermined coefficients please show...

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Ordinary Differential Equations - particular solution, undetermined coefficients

Please show work so I can see how to do this! Thanks!

21. In each of the following, find the form of a particular solu tion. Do not evaluate the coefficients. 3x 2 cos 3x 1 x (a) y 3y (b) y 3y 1 x 3x 2 cos 3x (c) y 3x 1 x e 3x 2 sin 3x (d) y 3y 2 sin 2x cos(Tx/4) (5 3x)? -3x P kP kt sin kt, k, A constant

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