Which of the following differential equation(s) is/are NOT applicable for the method of Laplace transform? I: 4y" +y =t/?e + e cos t II: " - 2y'+y = U2(t) +e? – 1 III : /' +y + 3y =t-?et A)Only I B)...

Extracted text: Which of the following differential equation(s) is/are NOT applicable for the method of Laplace transform? I: 4y" +y =t/?e + e cos t II: " - 2y'+y = U2(t) +e? – 1 III : /' +y + 3y =t-?et A)Only I B) Only II C) I and III D) II and III E) Only III