Internal problem ID [12999]
Book: Ordinary Differential Equations. An introduction to the fundamentals. Kenneth B. Howell.
second edition. CRC Press. FL, USA. 2020
Section: Chapter 4. SEPARABLE FIRST ORDER EQUATIONS. Additional exercises. page
90
Problem number: 4.6 (a).
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_separable]
\[ \boxed {y^{\prime }-y x=-4 x} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 14
dsolve(diff(y(x),x)=x*y(x)-4*x,y(x), singsol=all)
\[ y = 4+c_{1} {\mathrm e}^{\frac {x^{2}}{2}} \]
✓ Solution by Mathematica
Time used: 0.062 (sec). Leaf size: 24
DSolve[y'[x]==x*y[x]-4*x,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to 4+c_1 e^{\frac {x^2}{2}} y(x)\to 4 \end{align*}