Internal problem ID [3801]
Book: Ordinary differential equations and their solutions. By George Moseley Murphy.
1960
Section: Various 36
Problem number: 1095.
ODE order: 1.
ODE degree: 4.
CAS Maple gives this as type [[_1st_order, _with_linear_symmetries]]
Solve \begin {gather*} \boxed {x \left (y^{\prime }\right )^{4}-2 y \left (y^{\prime }\right )^{3}+12 x^{3}=0} \end {gather*}
✓ Solution by Maple
Time used: 0.516 (sec). Leaf size: 62
dsolve(x*diff(y(x),x)^4-2*y(x)*diff(y(x),x)^3+12*x^3 = 0,y(x), singsol=all)
\begin{align*} y \relax (x ) = -\frac {2 \sqrt {-6 x}\, x}{3} \\ y \relax (x ) = \frac {2 \sqrt {-6 x}\, x}{3} \\ y \relax (x ) = -\frac {2 \sqrt {6}\, x^{\frac {3}{2}}}{3} \\ y \relax (x ) = \frac {2 \sqrt {6}\, x^{\frac {3}{2}}}{3} \\ y \relax (x ) = 6 c_{1}^{3}+\frac {x^{2}}{2 c_{1}} \\ \end{align*}
✓ Solution by Mathematica
Time used: 121.625 (sec). Leaf size: 30947
DSolve[x (y'[x])^4 -2 y[x] (y'[x])^3+12 x^3==0,y[x],x,IncludeSingularSolutions -> True]
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