\[ x^2 y'(x)+e^{x-\frac {1}{x}} x^2-y(x)=0 \] ✓ Mathematica : cpu = 0.0111796 (sec), leaf count = 21
\[\left \{\left \{y(x)\to e^{-1/x} \left (c_1-e^x\right )\right \}\right \}\]
✓ Maple : cpu = 0.009 (sec), leaf count = 17
\[ \left \{ y \left ( x \right ) = \left ( -{{\rm e}^{x}}+{\it \_C1} \right ) {{\rm e}^{-{x}^{-1}}} \right \} \]