3.16 problem 13 (d)

Internal problem ID [13820]

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: 13 (d).
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_quadrature]

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

Solution by Maple

Time used: 0.0 (sec). Leaf size: 5

dsolve([diff(y(t),t)=sqrt(y(t)^2-1),y(2) = 1],y(t), singsol=all)
 

\[ y = 1 \]

Solution by Mathematica

Time used: 0.002 (sec). Leaf size: 6

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

\[ y(t)\to 1 \]