\[ x^2 y'(x)+e^{x-\frac {1}{x}} x^2-y(x)=0 \] ✓ Mathematica : cpu = 0.0120196 (sec), leaf count = 27
\[\left \{\left \{y(x)\to c_1 e^{-1/x}-e^{x-\frac {1}{x}}\right \}\right \}\] ✓ Maple : cpu = 0.01 (sec), leaf count = 17
\[ \left \{ y \left ( x \right ) = \left ( -{{\rm e}^{x}}+{\it \_C1} \right ) {{\rm e}^{-{x}^{-1}}} \right \} \]