CommandsbetaOn this pagebeta beta (a, b) The beta function is defined for real or complex arguments as B(a,b)=Γ(a)Γ(b)Γ(a+b),\displaystyle B(a, b)=\frac{\Gamma(a) \Gamma(b)}{\Gamma(a+b)},B(a,b)=Γ(a+b)Γ(a)Γ(b), with Re(a), Re(b)>0. Γ is the gamma function. See Also gamma