3.5 problem 4

Internal problem ID [13809]

Book: INTRODUCTORY DIFFERENTIAL EQUATIONS. Martha L. Abell, James P. Braselton. Fourth edition 2014. ElScAe. 2014
Section: Chapter 2. First Order Equations. Exercises 2.1, page 32
Problem number: 4.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

\[ \boxed {\frac {y^{\prime }}{t}-\sqrt {y}=0} \] With initial conditions \begin {align*} [y \left (0\right ) = 0] \end {align*}

Solution by Maple

Time used: 0.015 (sec). Leaf size: 5

dsolve([1/t*diff(y(t),t)=sqrt(y(t)),y(0) = 0],y(t), singsol=all)
 

\[ y = 0 \]

Solution by Mathematica

Time used: 0.111 (sec). Leaf size: 17

DSolve[{1/t*y'[t]==Sqrt[y[t]],{y[0]==0}},y[t],t,IncludeSingularSolutions -> True]
 

\begin{align*} y(t)\to 0 y(t)\to \frac {t^4}{16} \end{align*}