aj (2x-l)

J~ [Y + C2(2x - 1) + C3(3~ - 2x))(2x - I)dx -J~Q[Yx + C2(X2 - x) + C3(X3 - x2))(x2 - x) dx + J~F(x2 - x) dx = 0 (l2.35a)

The functions Q = Q(x) and F = F(x) must be substituted into Eq. (12.35) before integration.