3.31 problem 25

Internal problem ID [13835]

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: 25.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_quadrature]

\[ \boxed {y^{\prime }-y^{2}=0} \] With initial conditions \begin {align*} \left [y \left (0\right ) = {\frac {1}{2}}\right ] \end {align*}

Solution by Maple

Time used: 0.016 (sec). Leaf size: 11

dsolve([diff(y(t),t)=y(t)^2,y(0) = 1/2],y(t), singsol=all)
 

\[ y = -\frac {1}{t -2} \]

Solution by Mathematica

Time used: 0.003 (sec). Leaf size: 12

DSolve[{y'[t]==y[t]^2,{y[0]==1/2}},y[t],t,IncludeSingularSolutions -> True]
 

\[ y(t)\to \frac {1}{2-t} \]