I have job outside campus today. Lecturing Linear Algebra, you asked to study by yourself and discuss with your friend about material on sub chapter 6.3, 6.4, and to do practice 6.3 no. 2(c), 5(g); practice 6.4 no. 6(a), 9(a). Your answer must be sent to email@example.com before 10.00 pm today. Do the best and good luck.