57.1.40 problem 40

Internal problem ID [9024]
Book : First order enumerated odes
Section : section 1
Problem number : 40
Date solved : Monday, January 27, 2025 at 05:27:33 PM
CAS classification : [_quadrature]

\begin{align*} y^{\prime } y&=0 \end{align*}

Solution by Maple

Time used: 0.002 (sec). Leaf size: 11

dsolve(y(x)*diff(y(x),x)=0,y(x), singsol=all)
 
\begin{align*} y &= 0 \\ y &= -c_{1} \\ \end{align*}

Solution by Mathematica

Time used: 0.004 (sec). Leaf size: 12

DSolve[y[x]*D[y[x],x]==0,y[x],x,IncludeSingularSolutions -> True]
 
\begin{align*} y(x)\to 0 \\ y(x)\to c_1 \\ \end{align*}