11.6 Consider the second order differential equation d2 Eyes) m) = o (a) Find two linearly independent power series solutions of the form DD 2 anx\" n20 Start by determining recursion relations for the coefficients an. You should nd two recursion relations, one for 11 odd and one for 1: even. (b) In each case, derive a general expreSsion for an in terms of an or a]. (c) Identify the common functions representing each series