5.3 problem Exercise 11.3, page 97

Internal problem ID [3989]

Book: Ordinary Differential Equations, By Tenenbaum and Pollard. Dover, NY 1963
Section: Chapter 2. Special types of differential equations of the first kind. Lesson 11, Bernoulli Equations
Problem number: Exercise 11.3, page 97.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_Bernoulli]

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

Solution by Maple

Time used: 0.002 (sec). Leaf size: 13

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

\[ y \relax (x ) = \frac {1}{1+c_{1} x +\ln \relax (x )} \]

Solution by Mathematica

Time used: 0.142 (sec). Leaf size: 20

DSolve[x*y'[x]+y[x]==y[x]^2*Log[x],y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {1}{\log (x)+c_1 x+1} \\ y(x)\to 0 \\ \end{align*}