Homework Statement
How to use eigenfunction expansion in Legendre polynomials to find the bounded solution of
(1-x^2)f'' - 2xf' + f = 6 - x - 15x^2 on -1<= x <= 1
Homework Equations
eigenfunction expansion
The Attempt at a Solution
[r(x)y']' + [ q(x) + λ p(x) ]...