Internal problem ID [5423]
Book: Differential Equations: Theory, Technique, and Practice by George Simmons, Steven Krantz.
McGraw-Hill NY. 2007. 1st Edition.
Section: Chapter 1. What is a differential equation. Section 1.4 First Order Linear Equations. Page
15
Problem number: 4(a).
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_exact, [_1st_order, `_with_symmetry_[F(x)*G(y),0]`]]
\[ \boxed {\left ({\mathrm e}^{y}-2 x y\right ) y^{\prime }-y^{2}=0} \]
✓ Solution by Maple
Time used: 0.015 (sec). Leaf size: 16
dsolve((exp(y(x))-2*x*y(x))*diff(y(x),x)=y(x)^2,y(x), singsol=all)
\[ x -\frac {{\mathrm e}^{y \left (x \right )}+c_{1}}{y \left (x \right )^{2}} = 0 \]
✓ Solution by Mathematica
Time used: 0.223 (sec). Leaf size: 22
DSolve[(Exp[y[x]]-2*x*y[x])*y'[x]==y[x]^2,y[x],x,IncludeSingularSolutions -> True]
\[ \text {Solve}\left [x=\frac {e^{y(x)}}{y(x)^2}+\frac {c_1}{y(x)^2},y(x)\right ] \]