75.2.1 problem 21

Internal problem ID [16678]
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 : 21
Date solved : Tuesday, January 28, 2025 at 09:17:48 AM
CAS classification : [_quadrature]

\begin{align*} y^{\prime }&=1+x \end{align*}

Solution by Maple

Time used: 0.003 (sec). Leaf size: 12

dsolve(diff(y(x),x)=x+1,y(x), singsol=all)
 
\[ y = \frac {1}{2} x^{2}+x +c_{1} \]

Solution by Mathematica

Time used: 0.002 (sec). Leaf size: 16

DSolve[D[y[x],x]==x+1,y[x],x,IncludeSingularSolutions -> True]
 
\[ y(x)\to \frac {x^2}{2}+x+c_1 \]