The particular solution of the following equation by using the method of undetermined coefficients 2 y" +y' +6y = 51 cos 3x Is given by y = - cos(3x) + 4 sin 3x y = cos(3x) -4 sin 3x Option 1 O Option 2 y = -4 cos(3x) + sin 3x y = 4 cos(3x)- sin 3x

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