19.9 problem 522

Internal problem ID [3774]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 19
Problem number: 522.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_rational, [_1st_order, `_with_symmetry_[F(x)*G(y),0]`], [_Abel, `2nd type`, `class B`]]

\[ \boxed {\left (2+3 x -y x \right ) y^{\prime }+y=0} \]

Solution by Maple

Time used: 0.062 (sec). Leaf size: 50

dsolve((2+3*x-x*y(x))*diff(y(x),x)+y(x) = 0,y(x), singsol=all)
 

\[ \frac {y \left (x \right )^{3} c_{1} x -2 y \left (x \right )^{2} c_{1} -4 c_{1} y \left (x \right )+{\mathrm e}^{y \left (x \right )}-4 c_{1}}{x y \left (x \right )^{3}-2 y \left (x \right )^{2}-4 y \left (x \right )-4} = 0 \]

Solution by Mathematica

Time used: 0.085 (sec). Leaf size: 35

DSolve[(2+3 x-x y[x])y'[x]+y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\[ \text {Solve}\left [x=-\frac {2 \left (-y(x)^2-2 y(x)-2\right )}{y(x)^3}+\frac {c_1 e^{y(x)}}{y(x)^3},y(x)\right ] \]