Internal problem ID [2917]
Book: Ordinary differential equations and their solutions. By George Moseley Murphy.
1960
Section: Various 6
Problem number: 169.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_rational, _Riccati]
Solve \begin {gather*} \boxed {y^{\prime } x -a \,x^{n}-b y-c y^{2}=0} \end {gather*}
✓ Solution by Maple
Time used: 0.016 (sec). Leaf size: 225
dsolve(x*diff(y(x),x) = a*x^n+b*y(x)+c*y(x)^2,y(x), singsol=all)
\[ y \relax (x ) = \frac {x^{\frac {n}{2}} \sqrt {a c}\, c_{1} \BesselY \left (\frac {b +n}{n}, \frac {2 \sqrt {a c}\, x^{\frac {n}{2}}}{n}\right )}{c \left (\BesselY \left (\frac {b}{n}, \frac {2 \sqrt {a c}\, x^{\frac {n}{2}}}{n}\right ) c_{1}+\BesselJ \left (\frac {b}{n}, \frac {2 \sqrt {a c}\, x^{\frac {n}{2}}}{n}\right )\right )}+\frac {\BesselJ \left (\frac {b +n}{n}, \frac {2 \sqrt {a c}\, x^{\frac {n}{2}}}{n}\right ) \sqrt {a c}\, x^{\frac {n}{2}}-\BesselY \left (\frac {b}{n}, \frac {2 \sqrt {a c}\, x^{\frac {n}{2}}}{n}\right ) c_{1} b -b \BesselJ \left (\frac {b}{n}, \frac {2 \sqrt {a c}\, x^{\frac {n}{2}}}{n}\right )}{c \left (\BesselY \left (\frac {b}{n}, \frac {2 \sqrt {a c}\, x^{\frac {n}{2}}}{n}\right ) c_{1}+\BesselJ \left (\frac {b}{n}, \frac {2 \sqrt {a c}\, x^{\frac {n}{2}}}{n}\right )\right )} \]
✓ Solution by Mathematica
Time used: 0.301 (sec). Leaf size: 205
DSolve[x y'[x]==a x^n+b y[x]+c y[x]^2,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to \frac {\sqrt {a} x^{n/2} \left (-J_{\frac {b}{n}-1}\left (\frac {2 \sqrt {a} \sqrt {c} x^{n/2}}{n}\right )+c_1 J_{1-\frac {b}{n}}\left (\frac {2 \sqrt {a} \sqrt {c} x^{n/2}}{n}\right )\right )}{\sqrt {c} \left (J_{\frac {b}{n}}\left (\frac {2 \sqrt {a} \sqrt {c} x^{n/2}}{n}\right )+c_1 J_{-\frac {b}{n}}\left (\frac {2 \sqrt {a} \sqrt {c} x^{n/2}}{n}\right )\right )} \\ y(x)\to \frac {a x^n \, _0\tilde {F}_1\left (;2-\frac {b}{n};-\frac {a c x^n}{n^2}\right )}{n \, _0\tilde {F}_1\left (;1-\frac {b}{n};-\frac {a c x^n}{n^2}\right )} \\ \end{align*}