Which of the following differential equation(s) is/are NOT applicable for the method of Laplace transform? I : 4y" + y = t-1/2et + e2t cos t II : y" – 2y + y = U2(t) + e² – 1 III : y" + y' + 3y =...

Extracted text: Which of the following differential equation(s) is/are NOT applicable for the method of Laplace transform? I : 4y" + y = t-1/2et + e2t cos t II : y" – 2y + y = U2(t) + e² – 1 III : y" + y' + 3y = t-²e5t A)Only I B) Only II C) I and III D) II and III E) Only III