At this point, for problems that involve row reduction of a matrix, you do not need to show all intermediate steps. Caveats: - If you do not show intermediate steps, you may lose partial credits in case your answer is incorrect. - If you do not show intermediate steps, then you must still show the matrix that you start with, and the matrix that you end up with. === Hand in solutions to: Section 5.3: 1, 9, 10, 15 Section 5.4: 4, 11 Section 6.1: 4d, 5, 9, 21 === Suggested problems: (Do not hand in) Section 5.3: 5, 6, 7 Section 5.4: 2, 5, 6, 8 Section 6.1: 1, 2, 4abe, 7, 14