Selected Solutions to Chapter 1 Exercises
It is a great nuisance that knowledge can only be acquired by hard work.
—W. Somerset Maugham (1874–1965)

Section 1.1
      Exercise 1.1.
      Exercise 1.2. (partial solution)
      Exercise 1.3. (partial solution)

Section 1.2
     Exercise 1.5.
     Exercsie 1.6.
     Exercise 1.7.
     Exercise 1.8.
     Exercise 1.9.

Section 1.3
     Exercise 1.13.
     Exercise 1.16.
     Exercise 1.18.
     Exercise 1.19.
     Exercise 1.20.

Section 1.4
     Exercise 1.24.