1.328 problem 329

Internal problem ID [8665]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 329.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_homogeneous, `class G`], _rational]

\[ \boxed {y^{m} x^{n} \left (a x y^{\prime }+b y\right )+\alpha x y^{\prime }+\beta y=0} \]

Solution by Maple

Time used: 0.484 (sec). Leaf size: 72

dsolve(y(x)^m*x^n*(a*x*diff(y(x),x)+b*y(x))+alpha*x*diff(y(x),x)+beta*y(x) = 0,y(x), singsol=all)
 

\[ x^{\beta m \left (a n -b m \right )} \left (x^{n} \left (a n -b m \right ) y \left (x \right )^{m}-\beta m +\alpha n \right )^{-m \left (a \beta -b \alpha \right )} \left (y \left (x \right )^{m}\right )^{\alpha \left (a n -b m \right )}-c_{1} = 0 \]

Solution by Mathematica

Time used: 0.582 (sec). Leaf size: 119

DSolve[\[Beta]*y[x] + \[Alpha]*x*y'[x] + x^n*y[x]^m*(b*y[x] + a*x*y'[x])==0,y[x],x,IncludeSingularSolutions -> True]
                                                                                    
                                                                                    
 

\[ \text {Solve}\left [\frac {m \left (\beta (b m-a n) \log \left (n x^n (\alpha n-\beta m)\right )+n (a \beta -\alpha b) \log \left (x^n y(x)^m (b m-a n)+\beta m-\alpha n\right )\right )}{n (a n-b m) (\alpha n-\beta m)}-\frac {\alpha m \log (\alpha n y(x)-\beta m y(x))}{\alpha n-\beta m}=c_1,y(x)\right ] \]