4th method to evaluate the definite integral using Gamma function (SMY-MA-5.4-21AAA)
2nd method to evaluate the definite integral using Beta/Gamma functions (SMY-MA-5.4-21A)
3rd method to evaluate the definite integral using a derived reduction formula (SMY-MA-5.4-21AA)
Evaluating the definite integral using elementary techniques (SMY-MA-5.4-21)