4.9 problem 4(a)

Internal problem ID [11386]

Book: A First Course in Differential Equations by J. David Logan. Third Edition. Springer-Verlag, NY. 2015.
Section: Chapter 1, First order differential equations. Section 1.3.1 Separable equations. Exercises page 26
Problem number: 4(a).
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

\[ \boxed {x^{\prime }-\frac {2 x}{t +1}=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 11

dsolve(diff(x(t),t)=2*x(t)/(t+1),x(t), singsol=all)
 

\[ x \left (t \right ) = c_{1} \left (t +1\right )^{2} \]

Solution by Mathematica

Time used: 0.041 (sec). Leaf size: 18

DSolve[x'[t]==2*x[t]/(t+1),x[t],t,IncludeSingularSolutions -> True]
 

\begin{align*} x(t)\to c_1 (t+1)^2 x(t)\to 0 \end{align*}