Internal problem ID [9380]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1045.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type
[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, `_with_symmetry_[0,F(x)]`]]
\[ \boxed {y^{\prime \prime }-y^{\prime } x +y \left (x -1\right )=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 28
dsolve(diff(diff(y(x),x),x)-x*diff(y(x),x)+(x-1)*y(x)=0,y(x), singsol=all)
\[ y \left (x \right ) = \operatorname {erf}\left (\frac {i \sqrt {2}\, x}{2}-i \sqrt {2}\right ) {\mathrm e}^{x} c_{1} +c_{2} {\mathrm e}^{x} \]
✓ Solution by Mathematica
Time used: 0.073 (sec). Leaf size: 39
DSolve[(-1 + x)*y[x] - x*y'[x] + y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to \sqrt {\frac {\pi }{2}} c_2 e^{x-2} \text {erfi}\left (\frac {x-2}{\sqrt {2}}\right )+c_1 e^x \]