40.6 Chapter 10. Singular solutions, Extraneous loci. Supplemetary problems. Page 74

40.6.1 problem 10
40.6.2 problem 11
40.6.3 problem 12
40.6.4 problem 13
40.6.5 problem 14
40.6.6 problem 15
40.6.7 problem 16
40.6.8 problem 17
40.6.9 problem 18
40.6.10 problem 19