12.26 problem 345

Internal problem ID [3601]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 12
Problem number: 345.
ODE order: 1.
ODE degree: 1.

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

\[ \boxed {y^{\prime } x^{3}-y^{2}=x^{4}} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 23

dsolve(x^3*diff(y(x),x) = x^4+y(x)^2,y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {x^{2} \left (\ln \left (x \right )-c_{1} -1\right )}{\ln \left (x \right )-c_{1}} \]

Solution by Mathematica

Time used: 0.168 (sec). Leaf size: 29

DSolve[x^3 y'[x]==x^4+y[x]^2,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {x^2 (\log (x)-1+c_1)}{\log (x)+c_1} y(x)\to x^2 \end{align*}