65.6 Chapter 12, Homogeneous second order linear equations. Exercises page 118

65.6.1 problem 12.1 (i)
65.6.2 problem 12.1 (ii)
65.6.3 problem 12.1 (iii)
65.6.4 problem 12.1 (iv)
65.6.5 problem 12.1 (v)
65.6.6 problem 12.1 (vi)
65.6.7 problem 12.1 (vii)
65.6.8 problem 12.1 (viii)
65.6.9 problem 12.1 (ix)
65.6.10 problem 12.1 (x)
65.6.11 problem 12.1 (xi)
65.6.12 problem 12.1 (xii)
65.6.13 problem 12.1 (xiii)
65.6.14 problem 12.1 (xiv)
65.6.15 problem 12.1 (xv)