2.10 problem Problem 10

Internal problem ID [2631]

Book: Differential equations and linear algebra, Stephen W. Goode and Scott A Annin. Fourth edition, 2015
Section: Chapter 1, First-Order Differential Equations. Section 1.4, Separable Differential Equations. page 43
Problem number: Problem 10.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

\[ \boxed {y^{\prime }-\frac {x^{2} y-32}{-x^{2}+16}=2} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 29

dsolve(diff(y(x),x)=(x^2*y(x)-32)/(16-x^2)+2,y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {c_{1} \left (x +4\right )^{2} {\mathrm e}^{-x}+2 \left (x -4\right )^{2}}{\left (x -4\right )^{2}} \]

Solution by Mathematica

Time used: 0.148 (sec). Leaf size: 40

DSolve[y'[x]==(x^2*y[x]-32)/(16-x^2)+2,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {e^{-x} \left (2 e^x (x-4)^2+c_1 (x+4)^2\right )}{(x-4)^2} \\ y(x)\to 2 \\ \end{align*}