2.21 problem 24

Internal problem ID [6132]

Book: Elementary differential equations. Rainville, Bedient, Bedient. Prentice Hall. NJ. 8th edition. 1997.
Section: CHAPTER 16. Nonlinear equations. Miscellaneous Exercises. Page 340
Problem number: 24.
ODE order: 1.
ODE degree: 2.

CAS Maple gives this as type [_quadrature]

Solve \begin {gather*} \boxed {x \left (y^{\prime }\right )^{2}+y \left (1-x \right ) y^{\prime }-y^{2}=0} \end {gather*}

Solution by Maple

Time used: 0.016 (sec). Leaf size: 16

dsolve(x*diff(y(x),x)^2+y(x)*(1-x)*diff(y(x),x)-y(x)^2=0,y(x), singsol=all)
 

\begin{align*} y \relax (x ) = \frac {c_{1}}{x} \\ y \relax (x ) = c_{1} {\mathrm e}^{x} \\ \end{align*}

Solution by Mathematica

Time used: 0.065 (sec). Leaf size: 26

DSolve[x*y'[x]^2+y[x]*(1-x)*y'[x]-y[x]^2==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to c_1 e^x \\ y(x)\to \frac {c_1}{x} \\ y(x)\to 0 \\ \end{align*}