2.20 problem 40

Internal problem ID [14967]

Book: A book of problems in ordinary differential equations. M.L. KRASNOV, A.L. KISELYOV, G.I. MARKARENKO. MIR, MOSCOW. 1983
Section: Section 2. The method of isoclines. Exercises page 27
Problem number: 40.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_quadrature]

\[ \boxed {y^{\prime }-y^{2}=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 11

dsolve(diff(y(x),x)=y(x)^2,y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {1}{c_{1} -x} \]

Solution by Mathematica

Time used: 0.088 (sec). Leaf size: 18

DSolve[y'[x]==y[x]^2,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to -\frac {1}{x+c_1} \\ y(x)\to 0 \\ \end{align*}