Week 3 due 30/1.
Chapter 15 exercises 2iv, 4a,b,c, 9a, 12 (first equation only. Hint: q11), 14a, 33a,b.
Chapter 18 exercises 1i,ix,x, 3, 7, 8a,g, 13c, 17a,b,c, 34a,b.
Optional: 40.