Internal problem ID [12595]
Book: DIFFERENTIAL EQUATIONS by Paul Blanchard, Robert L. Devaney, Glen R. Hall. 4th
edition. Brooks/Cole. Boston, USA. 2012
Section: Chapter 1. First-Order Differential Equations. Exercises section 1.3 page 47
Problem number: 16 (i).
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_quadrature]
\[ \boxed {y^{\prime }-y^{2}-y=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 14
dsolve(diff(y(t),t)=y(t)^2+y(t),y(t), singsol=all)
\[ y \left (t \right ) = \frac {1}{-1+c_{1} {\mathrm e}^{-t}} \]
✓ Solution by Mathematica
Time used: 0.384 (sec). Leaf size: 33
DSolve[y'[t]==y[t]^2+y[t],y[t],t,IncludeSingularSolutions -> True]
\begin{align*} y(t)\to -\frac {e^{t+c_1}}{-1+e^{t+c_1}} y(t)\to -1 y(t)\to 0 \end{align*}