2.411   ODE No. 411

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

\[ x y'(x)^2+x y'(x)-y(x)=0 \] Mathematica : cpu = 0.264361 (sec), leaf count = 99

\[\left \{\text {Solve}\left [\frac {1}{\sqrt {\frac {4 y(x)}{x}+1}-1}-\log \left (1-\sqrt {\frac {4 y(x)}{x}+1}\right )=\frac {\log (x)}{2}+c_1,y(x)\right ],\text {Solve}\left [\frac {1}{\sqrt {\frac {4 y(x)}{x}+1}+1}+\log \left (\sqrt {\frac {4 y(x)}{x}+1}+1\right )=-\frac {\log (x)}{2}+c_1,y(x)\right ]\right \}\] Maple : cpu = 0.059 (sec), leaf count = 65

\[\left \{y \left (x \right ) = \frac {\left (2 \LambertW \left (-\frac {1}{2 \sqrt {\frac {c_{1}}{x}}}\right )+1\right ) x}{4 \LambertW \left (-\frac {1}{2 \sqrt {\frac {c_{1}}{x}}}\right )^{2}}, y \left (x \right ) = \frac {\left (2 \LambertW \left (\frac {1}{2 \sqrt {\frac {c_{1}}{x}}}\right )+1\right ) x}{4 \LambertW \left (\frac {1}{2 \sqrt {\frac {c_{1}}{x}}}\right )^{2}}\right \}\]