Exam 1 Solutions: Problems 1(a) and 1(b).
(Audio part 1, 6:00)

Exam 1 Solutions: Problems 1(c), 1(d) and 1(e).
(Audio part 1, 15:30)

Notation.
Exam 1 Solutions: Problems 2(a) and 2(b).
(Audio part 1, 22:00)

Exam 1 Solutions: Problem 2(c).
(Audio part 1, 32:30)

Exam 1 Solutions: Problem 3(a).
(Audio part 2, 3:00)

Exam 1 Solutions: Problems 3(b) and 1(c).
(Audio part 2, 6:00)

Rule of Sarrus example.
(Audio part 2, 15:00)
