Find the first four nonzero terms in a power series expansion about Xo for a general solution to the given differential equation with the given value for Xo- 3x?y" - 2y' +y=0; Xo = 2 y(x)=0 (Type an expression in terms of a, and an that includes all terms up to order 3.) Find the first four nonzero terms in a power series expansion of the solution to the given initial value problem. 6x y" - Xy' +6( cos xy = 0; y(0) = 1, y'(0) = -1 y(x)=0 (Type an expression that includes all terms up to order 3.) Find the first four nonzero terms in a power series expansion about Xo for a general solution to the given differential equation with the given value for Xo- 3x?y" - 2y' +y=0; Xo = 2 y(x)=0 (Type an expression in terms of a, and an that includes all terms up to order 3.) Find the first four nonzero terms in a power series expansion of the solution to the given initial value problem. 6x y" - Xy' +6( cos xy = 0; y(0) = 1, y'(0) = -1 y(x)=0 (Type an expression that includes all terms up to order 3.)