Book:Murray R. Spiegel/Mathematical Handbook of Formulas and Tables/Chapter 17/Some Important Results

Some Important Results

 * $17.3$: Commutativity of Parameters of Beta Function
 * $17.4$: Beta Function: Definition 2
 * $17.5$: Beta Function as Integeral of $\dfrac {t^{x - 1} } {\paren {1 + t}^{x + y} }$
 * $17.6$: Beta Function as Integral of $\dfrac {t^{x - 1} \paren {1 - t}^{y - 1} } {\paren {r + t}^{x + y} }$