Exercises

The following exercises might be solved durin lectures:

• Section 3.2.1, page 86:  1, 2, 3, 4 and 8. (I have already solved  2, 3 and 4)
• Section 3.3.1, page 92:  1, 2, 3, 5, 6, 8, 9, 10 and 11.