10.7 problem 273

Internal problem ID [3529]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 10
Problem number: 273.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_rational, _Abel]

\[ \boxed {x^{2} y^{\prime }+a y^{2}+b \,x^{2} y^{3}=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 178

dsolve(x^2*diff(y(x),x)+a*y(x)^2+b*x^2*y(x)^3 = 0,y(x), singsol=all)
 

\[ y \left (x \right ) = -\frac {2^{\frac {1}{3}} a b x}{2^{\frac {1}{3}} a^{2} b -2 \left (a^{2} b^{2}\right )^{\frac {2}{3}} \operatorname {RootOf}\left (\operatorname {AiryBi}\left (-\frac {b 2^{\frac {2}{3}} x -2 \textit {\_Z}^{2} \left (a^{2} b^{2}\right )^{\frac {1}{3}}}{2 \left (a^{2} b^{2}\right )^{\frac {1}{3}}}\right ) c_{1} \textit {\_Z} +\textit {\_Z} \operatorname {AiryAi}\left (-\frac {b 2^{\frac {2}{3}} x -2 \textit {\_Z}^{2} \left (a^{2} b^{2}\right )^{\frac {1}{3}}}{2 \left (a^{2} b^{2}\right )^{\frac {1}{3}}}\right )+\operatorname {AiryBi}\left (1, -\frac {b 2^{\frac {2}{3}} x -2 \textit {\_Z}^{2} \left (a^{2} b^{2}\right )^{\frac {1}{3}}}{2 \left (a^{2} b^{2}\right )^{\frac {1}{3}}}\right ) c_{1} +\operatorname {AiryAi}\left (1, -\frac {b 2^{\frac {2}{3}} x -2 \textit {\_Z}^{2} \left (a^{2} b^{2}\right )^{\frac {1}{3}}}{2 \left (a^{2} b^{2}\right )^{\frac {1}{3}}}\right )\right ) x} \]

Solution by Mathematica

Time used: 0.609 (sec). Leaf size: 343

DSolve[x^2 y'[x]+a y[x]^2+b x^2 y[x]^3==0,y[x],x,IncludeSingularSolutions -> True]
 

\[ \text {Solve}\left [\frac {\left (\frac {a^{2/3}}{2^{2/3} \sqrt [3]{b} x}+\frac {1}{2^{2/3} \sqrt [3]{a} \sqrt [3]{b} y(x)}\right ) \operatorname {AiryAi}\left (\left (\frac {a^{2/3}}{2^{2/3} \sqrt [3]{b} x}+\frac {1}{2^{2/3} \sqrt [3]{b} y(x) \sqrt [3]{a}}\right )^2-\frac {\sqrt [3]{b} x}{\sqrt [3]{2} a^{2/3}}\right )+\operatorname {AiryAiPrime}\left (\left (\frac {a^{2/3}}{2^{2/3} \sqrt [3]{b} x}+\frac {1}{2^{2/3} \sqrt [3]{b} y(x) \sqrt [3]{a}}\right )^2-\frac {\sqrt [3]{b} x}{\sqrt [3]{2} a^{2/3}}\right )}{\left (\frac {a^{2/3}}{2^{2/3} \sqrt [3]{b} x}+\frac {1}{2^{2/3} \sqrt [3]{a} \sqrt [3]{b} y(x)}\right ) \operatorname {AiryBi}\left (\left (\frac {a^{2/3}}{2^{2/3} \sqrt [3]{b} x}+\frac {1}{2^{2/3} \sqrt [3]{b} y(x) \sqrt [3]{a}}\right )^2-\frac {\sqrt [3]{b} x}{\sqrt [3]{2} a^{2/3}}\right )+\operatorname {AiryBiPrime}\left (\left (\frac {a^{2/3}}{2^{2/3} \sqrt [3]{b} x}+\frac {1}{2^{2/3} \sqrt [3]{b} y(x) \sqrt [3]{a}}\right )^2-\frac {\sqrt [3]{b} x}{\sqrt [3]{2} a^{2/3}}\right )}+c_1=0,y(x)\right ] \]