Find the power series solution for the equation y'' + (sinx)y =
x; y(0) = 0; y'(0) = 1
Provide the recurrence relation for the coefficients and derive
at least 3 non-zero terms of the solution.
Find the infinite series solution about x = 0 for the following
differential equation x2y"+ 4xy' + (2+x)y = 0,without using k
substitution and using Bessel's, Legrende's, or frobenius
equations.