1.95 problem 95

Internal problem ID [7675]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 95.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_rational, _Riccati]

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

Solution by Maple

Time used: 0.0 (sec). Leaf size: 40

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

\[ y \left (x \right ) = -\frac {x c_{1} \operatorname {BesselY}\left (1, x\right )}{c_{1} \operatorname {BesselY}\left (0, x\right )+\operatorname {BesselJ}\left (0, x\right )}-\frac {\operatorname {BesselJ}\left (1, x\right ) x}{c_{1} \operatorname {BesselY}\left (0, x\right )+\operatorname {BesselJ}\left (0, x\right )} \]

Solution by Mathematica

Time used: 0.156 (sec). Leaf size: 45

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

\begin{align*} y(x)\to -\frac {x (Y_1(x)+c_1 \operatorname {BesselJ}(1,x))}{Y_0(x)+c_1 \operatorname {BesselJ}(0,x)} \\ y(x)\to -\frac {x \operatorname {BesselJ}(1,x)}{\operatorname {BesselJ}(0,x)} \\ \end{align*}