5.29 problem 26

Internal problem ID [1003]

Book: Elementary differential equations with boundary value problems. William F. Trench. Brooks/Cole 2001
Section: Chapter 2, First order equations. Transformation of Nonlinear Equations into Separable Equations. Section 2.4 Page 68
Problem number: 26.
ODE order: 1.
ODE degree: 1.

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

\[ \boxed {y^{\prime } x^{2}-y^{2}-4 y x=2 x^{2}} \] With initial conditions \begin {align*} [y \left (1\right ) = 1] \end {align*}

Solution by Maple

Time used: 0.047 (sec). Leaf size: 21

dsolve([x^2*diff(y(x),x)=2*x^2+y(x)^2+4*x*y(x),y(1) = 1],y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {-4 x^{2}+3 x}{2 x -3} \]

Solution by Mathematica

Time used: 0.492 (sec). Leaf size: 20

DSolve[{x^2*y'[x]==2*x^2+y[x]^2+4*x*y[x],y[1]==1},y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to -\frac {x (4 x-3)}{2 x-3} \]