2.8 problem 9

Internal problem ID [18]

Book: Differential equations and linear algebra, 3rd ed., Edwards and Penney
Section: Section 1.3. Slope fields and solution curves. Page 26
Problem number: 9.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_linear, class A]]

Solve \begin {gather*} \boxed {y^{\prime }+2-x^{2}+y=0} \end {gather*}

Solution by Maple

Time used: 0.001 (sec). Leaf size: 17

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

\[ y \relax (x ) = x^{2}-2 x +{\mathrm e}^{-x} c_{1} \]

Solution by Mathematica

Time used: 0.048 (sec). Leaf size: 19

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

\begin{align*} y(x)\to (x-2) x+c_1 e^{-x} \\ \end{align*}