Internal problem ID [8736]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1156.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _linear, _nonhomogeneous]]
Solve \begin {gather*} \boxed {x^{2} y^{\prime \prime }+\frac {y}{\ln \relax (x )}-x \,{\mathrm e}^{x} \left (2+x \ln \relax (x )\right )=0} \end {gather*}
✓ Solution by Maple
Time used: 0.026 (sec). Leaf size: 73
dsolve(x^2*diff(diff(y(x),x),x)+y(x)/ln(x)-x*exp(x)*(2+x*ln(x))=0,y(x), singsol=all)
\[ y \relax (x ) = c_{2} \ln \relax (x )+\left (-\expIntegral \left (1, -\ln \relax (x )\right ) \ln \relax (x )-x \right ) c_{1}-\left (-\left (\int \frac {\left (\expIntegral \left (1, -\ln \relax (x )\right ) \ln \relax (x )+x \right ) {\mathrm e}^{x} \left (2+x \ln \relax (x )\right )}{x}d x \right )+{\mathrm e}^{x} \ln \relax (x ) \left (\expIntegral \left (1, -\ln \relax (x )\right ) \ln \relax (x )+x \right )\right ) \ln \relax (x ) \]
✓ Solution by Mathematica
Time used: 0.065 (sec). Leaf size: 27
DSolve[-(E^x*x*(2 + x*Log[x])) + y[x]/Log[x] + x^2*y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to c_2 \text {li}(x) \log (x)+c_2 (-x)+\left (e^x+c_1\right ) \log (x) \\ \end{align*}