3.168 problem 1168

Internal problem ID [9503]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1168.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {x^{2} y^{\prime \prime }+2 y^{\prime } x=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 11

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

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

Solution by Mathematica

Time used: 0.028 (sec). Leaf size: 15

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

\[ y(x)\to c_2-\frac {c_1}{x} \]