Internal problem ID [8926]
Internal file name [OUTPUT/7861_Monday_June_06_2022_12_48_10_AM_38886889/index.tex]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, Additional non-linear first order
Problem number: 592.
ODE order: 1.
ODE degree: 1.
The type(s) of ODE detected by this program : "unknown"
Maple gives the following as the ode type
[[_1st_order, `_with_symmetry_[F(x),G(x)]`]]
Unable to solve or complete the solution.
\[ \boxed {y^{\prime }-\frac {6 x^{3}+5 \sqrt {x}+5 F \left (y-\frac {2 x^{3}}{5}-2 \sqrt {x}\right )}{5 x}=0} \] Unable to determine ODE type.
\[ \begin {array}{lll} & {} & \textrm {Let's solve}\hspace {3pt} \\ {} & {} & 6 x^{3}-5 y^{\prime } x +5 \sqrt {x}+5 F \left (y-\frac {2 x^{3}}{5}-2 \sqrt {x}\right )=0 \\ \bullet & {} & \textrm {Highest derivative means the order of the ODE is}\hspace {3pt} 1 \\ {} & {} & y^{\prime } \\ \bullet & {} & \textrm {Solve for the highest derivative}\hspace {3pt} \\ {} & {} & y^{\prime }=-\frac {-6 x^{3}-5 \sqrt {x}-5 F \left (y-\frac {2 x^{3}}{5}-2 \sqrt {x}\right )}{5 x} \end {array} \]
Maple trace
`Methods for first order ODEs: --- Trying classification methods --- trying homogeneous types: differential order: 1; looking for linear symmetries trying exact Looking for potential symmetries trying an equivalence to an Abel ODE trying 1st order ODE linearizable_by_differentiation --- Trying Lie symmetry methods, 1st order --- `, `-> Computing symmetries using: way = 3 `, `-> Computing symmetries using: way = 4 `, `-> Computing symmetries using: way = 5`[0, F(y-2/5*x^3-2*x^(1/2))]
✓ Solution by Maple
Time used: 0.016 (sec). Leaf size: 33
dsolve(diff(y(x),x) = 1/5*(6*x^3+5*x^(1/2)+5*F(y(x)-2/5*x^3-2*x^(1/2)))/x,y(x), singsol=all)
\[ \int _{\textit {\_b}}^{y \left (x \right )}\frac {1}{F \left (\textit {\_a} -\frac {2 x^{3}}{5}-2 \sqrt {x}\right )}d \textit {\_a} -\ln \left (x \right )-c_{1} = 0 \]
✓ Solution by Mathematica
Time used: 0.545 (sec). Leaf size: 241
DSolve[y'[x] == (Sqrt[x] + (6*x^3)/5 + F[-2*Sqrt[x] - (2*x^3)/5 + y[x]])/x,y[x],x,IncludeSingularSolutions -> True]
\[ \text {Solve}\left [\int _1^{y(x)}-\frac {F\left (-\frac {2 x^3}{5}-2 \sqrt {x}+K[2]\right ) \int _1^x\left (-\frac {6 F'\left (-\frac {2}{5} K[1]^3-2 \sqrt {K[1]}+K[2]\right ) K[1]^2}{5 F\left (-\frac {2}{5} K[1]^3-2 \sqrt {K[1]}+K[2]\right )^2}-\frac {F'\left (-\frac {2}{5} K[1]^3-2 \sqrt {K[1]}+K[2]\right )}{F\left (-\frac {2}{5} K[1]^3-2 \sqrt {K[1]}+K[2]\right )^2 \sqrt {K[1]}}\right )dK[1]+1}{F\left (-\frac {2 x^3}{5}-2 \sqrt {x}+K[2]\right )}dK[2]+\int _1^x\left (\frac {6 K[1]^2}{5 F\left (-\frac {2}{5} K[1]^3-2 \sqrt {K[1]}+y(x)\right )}+\frac {1}{F\left (-\frac {2}{5} K[1]^3-2 \sqrt {K[1]}+y(x)\right ) \sqrt {K[1]}}+\frac {1}{K[1]}\right )dK[1]=c_1,y(x)\right ] \]