3.91   ODE No. 91

\[ \boxed { x{\frac {\rm d}{{\rm d}x}}y \left ( x \right ) -y \left ( x \right ) -{\frac {x}{\ln \left ( x \right ) }}=0} \]

1. Problem in Latex
2. Mathematica input
3. Maple input

Mathematica: cpu = 0.005501 (sec), leaf count = 15 \[ \left \{\left \{y(x)\to c_1 x+x \log (\log (x))\right \}\right \} \]

Maple: cpu = 0.015 (sec), leaf count = 11 \[ \left \{ y \left ( x \right ) = \left ( \ln \left ( \ln \left ( x \right ) \right ) +{\it \_C1} \right ) x \right \} \]