10.11 problem 277

Internal problem ID [3024]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 10
Problem number: 277.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_linear]

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

Solution by Maple

Time used: 0.0 (sec). Leaf size: 35

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

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

Solution by Mathematica

Time used: 0.139 (sec). Leaf size: 54

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

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