I have no idea about this question below. Please take your time to do it carefully and please don't use AI cause it will give the wrong answers!

This question below relates to the topic "Runge-Kutta Methods" (Just follow the steps in the lecture note below and don't use AI):

+) Lecture note:

https://drive.google.com/file/d/1_FfiCpq643HjWQ4N4fEvg4Ed-E89L5HR/view?usp=sharing

Q2. Use the fourth Runge-Kutta method to approximate the solution y (1.4) of the IVP dy +y = xy; y(1) = -2, using h = 0.2. dx