35.20 problem 1053

Internal problem ID [4274]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 35
Problem number: 1053.
ODE order: 1.
ODE degree: 3.

CAS Maple gives this as type [[_1st_order, _with_linear_symmetries], _dAlembert]

\[ \boxed {2 {y^{\prime }}^{3}+x y^{\prime }-2 y=0} \]

Solution by Maple

Time used: 0.125 (sec). Leaf size: 79

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

\begin{align*} y \left (x \right ) = {\left (-\frac {c_{1}}{12}-\frac {\sqrt {c_{1}^{2}+24 x}}{12}\right )}^{3}+\frac {x \left (-\frac {c_{1}}{12}-\frac {\sqrt {c_{1}^{2}+24 x}}{12}\right )}{2} y \left (x \right ) = {\left (-\frac {c_{1}}{12}+\frac {\sqrt {c_{1}^{2}+24 x}}{12}\right )}^{3}+\frac {x \left (-\frac {c_{1}}{12}+\frac {\sqrt {c_{1}^{2}+24 x}}{12}\right )}{2} \end{align*}

Solution by Mathematica

Time used: 0.0 (sec). Leaf size: 0

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

Timed out