10.14 problem 280

Internal problem ID [3028]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 10
Problem number: 280.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_linear]

Solve \begin {gather*} \boxed {\left (x^{2}+1\right ) y^{\prime }+a +y x=0} \end {gather*}

Solution by Maple

Time used: 0.015 (sec). Leaf size: 19

dsolve((x^2+1)*diff(y(x),x)+a+x*y(x) = 0,y(x), singsol=all)
 

\[ y \relax (x ) = \frac {-a \arcsinh \relax (x )+c_{1}}{\sqrt {x^{2}+1}} \]

Solution by Mathematica

Time used: 0.039 (sec). Leaf size: 23

DSolve[(1+x^2)y'[x]+a+x y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {-a \sinh ^{-1}(x)+c_1}{\sqrt {x^2+1}} \\ \end{align*}