Please finish quesion 2 on page 1, question3(2) on page 2, questions 2 and 4 on page 3, question 1(3) on page 5, question 1 on page 6.After answering all questions, only take picture for question 2 on page 1 and upload before deadline. Please hand in all answer pages before 10th March for all students who are in DUT campus.