Internal problem ID [8380]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 43.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_Abel]
\[ \boxed {y^{\prime }+\left (4 a^{2} x +3 a \,x^{2}+b \right ) y^{3}+3 x y^{2}=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 470
dsolve(diff(y(x),x) + (3*a*x^2 + 4*a^2*x + b)*y(x)^3 + 3*x*y(x)^2=0,y(x), singsol=all)
\[ \frac {a \sqrt {3}\, \left (\operatorname {BesselI}\left (1+\frac {\sqrt {\frac {4 a^{3}-3 b}{a^{3}}}}{2}, -\frac {\sqrt {3}\, \sqrt {\frac {\left (4 a^{2} x +3 a \,x^{2}+b \right ) y \left (x \right )-2 a}{y \left (x \right ) a^{3}}}}{2}\right ) c_{1} -\operatorname {BesselK}\left (1+\frac {\sqrt {\frac {4 a^{3}-3 b}{a^{3}}}}{2}, -\frac {\sqrt {3}\, \sqrt {\frac {\left (4 a^{2} x +3 a \,x^{2}+b \right ) y \left (x \right )-2 a}{y \left (x \right ) a^{3}}}}{2}\right )\right ) \sqrt {\frac {\left (4 a^{2} x +3 a \,x^{2}+b \right ) y \left (x \right )-2 a}{y \left (x \right ) a^{3}}}-\left (c_{1} \operatorname {BesselI}\left (\frac {\sqrt {\frac {4 a^{3}-3 b}{a^{3}}}}{2}, -\frac {\sqrt {3}\, \sqrt {\frac {\left (4 a^{2} x +3 a \,x^{2}+b \right ) y \left (x \right )-2 a}{y \left (x \right ) a^{3}}}}{2}\right )+\operatorname {BesselK}\left (\frac {\sqrt {\frac {4 a^{3}-3 b}{a^{3}}}}{2}, -\frac {\sqrt {3}\, \sqrt {\frac {\left (4 a^{2} x +3 a \,x^{2}+b \right ) y \left (x \right )-2 a}{y \left (x \right ) a^{3}}}}{2}\right )\right ) \left (a \sqrt {\frac {4 a^{3}-3 b}{a^{3}}}-2 a -3 x \right )}{\operatorname {BesselI}\left (1+\frac {\sqrt {\frac {4 a^{3}-3 b}{a^{3}}}}{2}, -\frac {\sqrt {3}\, \sqrt {\frac {\left (4 a^{2} x +3 a \,x^{2}+b \right ) y \left (x \right )-2 a}{y \left (x \right ) a^{3}}}}{2}\right ) \sqrt {3}\, \sqrt {\frac {\left (4 a^{2} x +3 a \,x^{2}+b \right ) y \left (x \right )-2 a}{y \left (x \right ) a^{3}}}\, a -\operatorname {BesselI}\left (\frac {\sqrt {\frac {4 a^{3}-3 b}{a^{3}}}}{2}, -\frac {\sqrt {3}\, \sqrt {\frac {\left (4 a^{2} x +3 a \,x^{2}+b \right ) y \left (x \right )-2 a}{y \left (x \right ) a^{3}}}}{2}\right ) \left (a \sqrt {\frac {4 a^{3}-3 b}{a^{3}}}-2 a -3 x \right )} = 0 \]
✓ Solution by Mathematica
Time used: 4.252 (sec). Leaf size: 490
DSolve[y'[x] + (3*a*x^2 + 4*a^2*x + b)*y[x]^3 + 3*x*y[x]^2==0,y[x],x,IncludeSingularSolutions -> True]
\[ \text {Solve}\left [c_1=-\frac {i \sqrt {-\frac {4 a^3-3 b}{4 a^3}-\frac {3}{2 a^2 y(x)}+\frac {(-2 a-3 x)^2}{4 a^2}} \operatorname {BesselJ}\left (\frac {1}{2} \sqrt {\frac {4 a^3-3 b}{a^3}}+1,-i \sqrt {\frac {(-2 a-3 x)^2}{4 a^2}-\frac {4 a^3-3 b}{4 a^3}-\frac {3}{2 a^2 y(x)}}\right )+\left (\frac {1}{2} \sqrt {\frac {4 a^3-3 b}{a^3}}+\frac {-2 a-3 x}{2 a}\right ) \operatorname {BesselJ}\left (\frac {1}{2} \sqrt {\frac {4 a^3-3 b}{a^3}},-i \sqrt {\frac {(-2 a-3 x)^2}{4 a^2}-\frac {4 a^3-3 b}{4 a^3}-\frac {3}{2 a^2 y(x)}}\right )}{i \sqrt {-\frac {4 a^3-3 b}{4 a^3}-\frac {3}{2 a^2 y(x)}+\frac {(-2 a-3 x)^2}{4 a^2}} \operatorname {BesselY}\left (\frac {1}{2} \sqrt {\frac {4 a^3-3 b}{a^3}}+1,-i \sqrt {\frac {(-2 a-3 x)^2}{4 a^2}-\frac {4 a^3-3 b}{4 a^3}-\frac {3}{2 a^2 y(x)}}\right )+\left (\frac {1}{2} \sqrt {\frac {4 a^3-3 b}{a^3}}+\frac {-2 a-3 x}{2 a}\right ) \operatorname {BesselY}\left (\frac {1}{2} \sqrt {\frac {4 a^3-3 b}{a^3}},-i \sqrt {\frac {(-2 a-3 x)^2}{4 a^2}-\frac {4 a^3-3 b}{4 a^3}-\frac {3}{2 a^2 y(x)}}\right )},y(x)\right ] \]