9.9 problem 249

Internal problem ID [3505]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 9
Problem number: 249.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

\[ \boxed {y^{\prime } x^{2}+y=a} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 12

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

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

Solution by Mathematica

Time used: 0.03 (sec). Leaf size: 20

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

\begin{align*} y(x)\to a+c_1 e^{\frac {1}{x}} y(x)\to a \end{align*}