Which of the following equations can be solved using the method of undetermined coefficients? O y' + 6y +9y = %3D cos(x) O none of the choices given O y' +4y + 5y = 5x-2 O y' + 3y + 2y? = 2xcos (3x)

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A: Answer is- false. Explanation is given in next step.

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A: given equation :

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A: I am solving this in step 2

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Q: What is the solution of the D.Ey" – 3y' = e*sinx when solved using the method of undetermined…

A: option (c) is correct. see below the calculation