31 Chapter 2, Second-Order Differential Equations. section 2.1.2-6 Equation of form \((a_3 x^3+a_2 x^2 x+a_1 x+a_0) y''+f(x)y'+g(x)y=0\)

31.1 problem 182
31.2 problem 183
31.3 problem 184
31.4 problem 185
31.5 problem 186
31.6 problem 187
31.7 problem 188
31.8 problem 189
31.9 problem 190
31.10 problem 191
31.11 problem 192
31.12 problem 193
31.13 problem 194
31.14 problem 195
31.15 problem 196
31.16 problem 197
31.17 problem 198
31.18 problem 199
31.19 problem 200
31.20 problem 201
31.21 problem 202
31.22 problem 203
31.23 problem 204
31.24 problem 205
31.25 problem 206
31.26 problem 207
31.27 problem 208
31.28 problem 209
31.29 problem 210