10.17 problem 283

Internal problem ID [3031]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 10
Problem number: 283.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

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

Solution by Maple

Time used: 0.016 (sec). Leaf size: 18

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

\[ y \relax (x ) = \sqrt {x -1}\, \sqrt {x +1}\, c_{1}+1 \]

Solution by Mathematica

Time used: 0.034 (sec). Leaf size: 24

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

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