Internal problem ID [3886]
Book: Ordinary differential equations and their solutions. By George Moseley Murphy.
1960
Section: Various 23
Problem number: 639.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [[_homogeneous, `class G`], _rational]
\[ \boxed {x \left (3 x -y^{2}\right ) y^{\prime }+\left (5 x -2 y^{2}\right ) y=0} \]
✓ Solution by Maple
Time used: 0.046 (sec). Leaf size: 36
dsolve(x*(3*x-y(x)^2)*diff(y(x),x)+(5*x-2*y(x)^2)*y(x) = 0,y(x), singsol=all)
\[ \ln \left (x \right )-c_{1} +\frac {6 \ln \left (\frac {y \left (x \right )}{\sqrt {x}}\right )}{13}-\frac {2 \ln \left (-\frac {-5 y \left (x \right )^{2}+13 x}{x}\right )}{65} = 0 \]
✓ Solution by Mathematica
Time used: 7.068 (sec). Leaf size: 661
DSolve[x(3 x-y[x]^2)y'[x]+(5 x-2 y[x]^2)y[x]==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,1\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,2\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,3\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,4\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,5\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,6\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,7\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,8\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,9\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,10\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,11\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,12\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,13\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,14\right ] y(x)\to \text {Root}\left [-\text {$\#$1}^{15}-\frac {25 \text {$\#$1}^2 e^{\frac {65 c_1}{2}}}{x^{26}}+\frac {65 e^{\frac {65 c_1}{2}}}{x^{25}}\&,15\right ] \end{align*}