3.391 problem 1397

Internal problem ID [9725]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1397.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {y^{\prime \prime }+\frac {y^{\prime }}{x^{4}}-\frac {y}{x^{5}}=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 26

dsolve(diff(diff(y(x),x),x) = -1/x^4*diff(y(x),x)+1/x^5*y(x),y(x), singsol=all)
 

\[ y \left (x \right ) = x \left (-\frac {3 c_{2} \Gamma \left (\frac {1}{3}, -\frac {1}{3 x^{3}}\right ) \Gamma \left (\frac {2}{3}\right )}{2}+c_{2} \sqrt {3}\, \pi +c_{1} \right ) \]

Solution by Mathematica

Time used: 0.088 (sec). Leaf size: 38

DSolve[y''[x] == y[x]/x^5 - y'[x]/x^4,y[x],x,IncludeSingularSolutions -> True]
                                                                                    
                                                                                    
 

\[ y(x)\to \frac {c_2 \Gamma \left (\frac {1}{3},-\frac {1}{3 x^3}\right )}{3^{2/3} \sqrt [3]{-\frac {1}{x^3}}}+c_1 x \]