Which of the following integrals represents the volume of the solid of revolution obtained by rotating this region about the line g = 3? Select one: O a 27 S, r((3 x) (x + 1))dx O b.2 S,(3 x) ((3 x) (x + 1)) dx 27 L (8 2) (3 a*)* (1 + 1)*) de 19). a 27 , a (3 2)* (x + 1)*) dx C. |