\[ y''(x)=-\frac {y(x)}{x^4}-\frac {y'(x)}{x} \] ✓ Mathematica : cpu = 0.0832317 (sec), leaf count = 31
\[\left \{\left \{y(x)\to c_2 J_0\left (\frac {1}{x}\right )+\frac {c_1 K_0\left (\frac {i}{x}\right )}{\sqrt {\pi }}\right \}\right \}\] ✓ Maple : cpu = 0.08 (sec), leaf count = 19
\[ \left \{ y \left ( x \right ) ={\it \_C1}\,{{\sl J}_{0}\left ({x}^{-1}\right )}+{\it \_C2}\,{{\sl Y}_{0}\left ({x}^{-1}\right )} \right \} \]