Which of the following differential equations can be solved by utilizing the method of undetermined coefficients? I: y" – ty' + 3y = e* II : yw) – y = cos t – sin t et – cost III : 2y" +2y – 6y = t IV...

Extracted text: Which of the following differential equations can be solved by utilizing the method of undetermined coefficients? I: y" – ty' + 3y = e* II : yw) – y = cos t – sin t et – cost III : 2y" +2y – 6y = t IV : y" +3y' – 2y = tan t +t A) only II B) I and III C) I and II D) II and IV E)III and IV