In this more general case, we have
Q^*f = 1c + 2G^*(2-3g)15(K_f+gG^*), where
Again, the DEM equations can be easily integrated and yield
(G^*G_m)
(1G^* + cgdK_f
1G_m + cgdK_f)^1-cd
= (1-)^1d.
Then, it is easy to check that the two previous cases are
obtained when
and
, respectively.