12.35 problem 354

Internal problem ID [3101]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 12
Problem number: 354.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_linear]

\[ \boxed {x \left (1-x^{2}\right ) y^{\prime }-x^{2} a -y=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 51

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

\[ y \left (x \right ) = -\frac {x a \sqrt {\left (x -1\right ) \left (x +1\right )}\, \ln \left (x +\sqrt {x^{2}-1}\right )}{\left (x -1\right ) \left (x +1\right )}+\frac {x c_{1}}{\sqrt {x -1}\, \sqrt {x +1}} \]

Solution by Mathematica

Time used: 0.042 (sec). Leaf size: 40

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

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