Internal problem ID [4098]
Book: Ordinary differential equations and their solutions. By George Moseley Murphy.
1960
Section: Various 30
Problem number: 860.
ODE order: 1.
ODE degree: 2.
CAS Maple gives this as type [[_1st_order, _with_linear_symmetries], _rational, _Clairaut]
\[ \boxed {{y^{\prime }}^{2} x +\left (a -y\right ) y^{\prime }=-b} \]
✓ Solution by Maple
Time used: 0.094 (sec). Leaf size: 42
dsolve(x*diff(y(x),x)^2+(a-y(x))*diff(y(x),x)+b = 0,y(x), singsol=all)
\begin{align*} y \left (x \right ) &= a -2 \sqrt {b x} \\ y \left (x \right ) &= a +2 \sqrt {b x} \\ y \left (x \right ) &= \frac {x \,c_{1}^{2}+c_{1} a +b}{c_{1}} \\ \end{align*}
✓ Solution by Mathematica
Time used: 0.014 (sec). Leaf size: 58
DSolve[x (y'[x])^2+(a-y[x])y'[x]+b==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to a+\frac {b}{c_1}+c_1 x \\ y(x)\to \text {Indeterminate} \\ y(x)\to a-2 \sqrt {b} \sqrt {x} \\ y(x)\to a+2 \sqrt {b} \sqrt {x} \\ \end{align*}