/ 5 3\ |25*m - m | |----------| \(5*m + 1)!/ -------------- / 1 \ |------------| \5*(5*m - 2)!/
5.0*(-m^3 + 25.0*m^5)*factorial(5*m - 2)/factorial(5*m + 1)
3 5 - 5*m *(-2 + 5*m)! + 125*m *(-2 + 5*m)! --------------------------------------- (1 + 5*m)!
3 / 2\ 5*m *\-1 + 25*m /*(-2 + 5*m)! ----------------------------- (1 + 5*m)!
3 5 - 5*m *(-2 + 5*m)! + 125*m *(-2 + 5*m)! --------------------------------------- (1 + 5*m)!