11.26 problem 317

Internal problem ID [3573]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 11
Problem number: 317.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_linear]

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

Solution by Maple

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

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

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

Solution by Mathematica

Time used: 0.043 (sec). Leaf size: 22

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

\[ y(x)\to -\frac {(x+1) \left (x-c_1 e^x\right )}{x} \]