3.166 problem 1166

Internal problem ID [9501]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1166.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]

\[ \boxed {x^{2} y^{\prime \prime }-y^{\prime } x +y=3 x^{3}} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 18

dsolve(x^2*diff(diff(y(x),x),x)-x*diff(y(x),x)+y(x)-3*x^3=0,y(x), singsol=all)
 

\[ y \left (x \right ) = c_{2} x +\ln \left (x \right ) x c_{1} +\frac {3 x^{3}}{4} \]

Solution by Mathematica

Time used: 0.022 (sec). Leaf size: 23

DSolve[-3*x^3 + y[x] - x*y'[x] + x^2*y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to \frac {3 x^3}{4}+c_1 x+c_2 x \log (x) \]