3.12 problem 14

Internal problem ID [6053]

Book: Elementary differential equations. By Earl D. Rainville, Phillip E. Bedient. Macmilliam Publishing Co. NY. 6th edition. 1981.
Section: CHAPTER 16. Nonlinear equations. Section 99. Clairaut’s equation. EXERCISES Page 320
Problem number: 14.
ODE order: 1.
ODE degree: 3.

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

Solve \begin {gather*} \boxed {x^{6} \left (y^{\prime }\right )^{3}-3 x y^{\prime }-3 y=0} \end {gather*}

Solution by Maple

Time used: 0.183 (sec). Leaf size: 30

dsolve(x^6*diff(y(x),x)^3-3*x*diff(y(x),x)-3*y(x)=0,y(x), singsol=all)
 

\begin{align*} y \relax (x ) = \frac {c_{1}^{6}}{3}-\sqrt {\frac {c_{1}^{2}}{x^{2}}}\, c_{1} \\ y \relax (x ) = \frac {c_{1}}{x^{\frac {3}{2}}} \\ \end{align*}

Solution by Mathematica

Time used: 171.248 (sec). Leaf size: 24839

DSolve[x^6*(y'[x])^3-3*x*y'[x]-3*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

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