2.776   ODE No. 776

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

\[ y'(x)=\frac {y(x) \left (x^2 y(x) \log \left (\frac {x^2+1}{x}\right )-x \log \left (\frac {x^2+1}{x}\right )-\log \left (\frac {1}{x}\right )\right )}{x \log \left (\frac {1}{x}\right )} \] Mathematica : cpu = 0.430169 (sec), leaf count = 133

\[\left \{\left \{y(x)\to \frac {\exp \left (\int _1^x\frac {-\log \left (\frac {1}{K[1]}\right )-K[1] \log \left (\frac {K[1]^2+1}{K[1]}\right )}{K[1] \log \left (\frac {1}{K[1]}\right )}dK[1]\right )}{-\int _1^x\frac {\exp \left (\int _1^{K[2]}\frac {-\log \left (\frac {1}{K[1]}\right )-K[1] \log \left (\frac {K[1]^2+1}{K[1]}\right )}{K[1] \log \left (\frac {1}{K[1]}\right )}dK[1]\right ) K[2] \log \left (\frac {K[2]^2+1}{K[2]}\right )}{\log \left (\frac {1}{K[2]}\right )}dK[2]+c_1}\right \}\right \}\] Maple : cpu = 0.245 (sec), leaf count = 96

\[\left \{y \left (x \right ) = \frac {{\mathrm e}^{\int \frac {-x \ln \left (\frac {x^{2}+1}{x}\right )-\ln \left (\frac {1}{x}\right )}{x \ln \left (\frac {1}{x}\right )}d x}}{c_{1}+\int -\frac {x \,{\mathrm e}^{\int \frac {-x \ln \left (\frac {x^{2}+1}{x}\right )-\ln \left (\frac {1}{x}\right )}{x \ln \left (\frac {1}{x}\right )}d x} \ln \left (\frac {x^{2}+1}{x}\right )}{\ln \left (\frac {1}{x}\right )}d x}\right \}\]