\[
\boxed{
x \left( 4\,x-1 \right) {\frac {{\rm d}^{2}}{{\rm d}{x}^{2}}}y \left( x \right) + \left(  \left( 4\,a+2 \right) x-a \right) {\frac {\rm d}{{\rm d}x}}y \left( x \right) +a \left( a-1 \right) y \left( x \right) =0}
\]