Beta--gamma identity
= Beta--gamma identity
The sum-and-ratio change of variables in a product of gamma integrals gives
$$
B(p,q)=\frac{\Gamma(p)\Gamma(q)}{\Gamma(p+q)}.
$$
= Beta--gamma identity
The sum-and-ratio change of variables in a product of gamma integrals gives
$$
B(p,q)=\frac{\Gamma(p)\Gamma(q)}{\Gamma(p+q)}.
$$