\[
\boxed{
{\frac {\rm d}{{\rm d}x}}y \left( x \right) ={\frac {-i/32 \left( 8\,ix+16\, \left( y \left( x \right)  \right) ^{4}+8\,{x}^{2} \left( y \left( x \right)  \right) ^{2}+{x}^{4} \right) }{y \left( x \right) }}=0}
\]