Solve[(a - \[Tau] - c)^2/4 - (k \[Theta]^2)/2 - (1 - \[Tau] - c)/2*B ==
0, c] /. B -> \!\(TraditionalForm\`
TagBox[
FractionBox[
RowBox[{"G", "(", "c", ")"}],
RowBox[{"g", "(", "c", ")"}]],
"MathMLPresentationTag",
AutoDelete->True]\) // FullSimplify
上面是具体公式，其中G(C)为概率分布函数，g(c)为概率密度函数。a和k为常数。这种情况下不假设具体的概率分布函数能接出来吗？