Internal problem ID [5092]
Book: Engineering Mathematics. By K. A. Stroud. 5th edition. Industrial press Inc. NY.
2001
Section: Program 24. First order differential equations. Further problems 24. page
1068
Problem number: 6.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [[_homogeneous, `class A`], _exact, _rational, [_Abel, `2nd type`, `class A`]]
\[ \boxed {\left (2 y-x \right ) y^{\prime }-y=2 x} \]
✓ Solution by Maple
Time used: 0.031 (sec). Leaf size: 53
dsolve((2*y(x)-x)*diff(y(x),x)=2*x+y(x),y(x), singsol=all)
\begin{align*} y \left (x \right ) = \frac {\frac {c_{1} x}{2}-\frac {\sqrt {5 c_{1}^{2} x^{2}+4}}{2}}{c_{1}} y \left (x \right ) = \frac {\frac {c_{1} x}{2}+\frac {\sqrt {5 c_{1}^{2} x^{2}+4}}{2}}{c_{1}} \end{align*}
✓ Solution by Mathematica
Time used: 0.454 (sec). Leaf size: 102
DSolve[(2*y[x]-x)*y'[x]==2*x+y[x],y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to \frac {1}{2} \left (x-\sqrt {5 x^2-4 e^{c_1}}\right ) y(x)\to \frac {1}{2} \left (x+\sqrt {5 x^2-4 e^{c_1}}\right ) y(x)\to \frac {1}{2} \left (x-\sqrt {5} \sqrt {x^2}\right ) y(x)\to \frac {1}{2} \left (\sqrt {5} \sqrt {x^2}+x\right ) \end{align*}