Which of the following is the reduction (recurrence) relation obtained for n 2 2 using the power series around the point x = 2 of the y" +3 y' = 0 differential equation? -1 a) an (-1) - -2 b) an n(n-1) 3n an-1 ) , (-1)(-2) 3(n-1)an-1 d) an %3D (-1) 3(-2) -2 (-1) e) an