32.15 problem 949

Internal problem ID [3675]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 32
Problem number: 949.
ODE order: 1.
ODE degree: 2.

CAS Maple gives this as type [_quadrature]

Solve \begin {gather*} \boxed {y \left (y^{\prime }\right )^{2}+\left (x -y\right ) y^{\prime }-x=0} \end {gather*}

Solution by Maple

Time used: 0.005 (sec). Leaf size: 33

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

\begin{align*} y \relax (x ) = \sqrt {-x^{2}+c_{1}} \\ y \relax (x ) = -\sqrt {-x^{2}+c_{1}} \\ y \relax (x ) = c_{1}+x \\ \end{align*}

Solution by Mathematica

Time used: 0.093 (sec). Leaf size: 47

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

\begin{align*} y(x)\to x+c_1 \\ y(x)\to -\sqrt {-x^2+2 c_1} \\ y(x)\to \sqrt {-x^2+2 c_1} \\ \end{align*}