For the equation 2x2y" + (x + x2)y' - (1 - x)y = 0, y = > cn(r)xntr yields the indicial equation n=0 On = 12 = 0 On = 1, 12 = 0 On = 1, 12 = - None of these On = 7, 12 = -1All points of the equation (x + 2))?\" + X)\" + y = 0 are ordinary except 0 None of these 02 and 1 02 andO OZ,0and1 OI