10.41 problem 40 (d)

Internal problem ID [14514]

Book: INTRODUCTORY DIFFERENTIAL EQUATIONS. Martha L. Abell, James P. Braselton. Fourth edition 2014. ElScAe. 2014
Section: Chapter 4. Higher Order Equations. Exercises 4.2, page 147
Problem number: 40 (d).
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _missing_x]]

\[ \boxed {y^{\prime \prime }-16 y=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 17

dsolve(diff(y(t),t$2)-16*y(t)=0,y(t), singsol=all)
 

\[ y \left (t \right ) = c_{1} {\mathrm e}^{4 t}+c_{2} {\mathrm e}^{-4 t} \]

Solution by Mathematica

Time used: 0.012 (sec). Leaf size: 22

DSolve[y''[t]-16*y[t]==0,y[t],t,IncludeSingularSolutions -> True]
 

\[ y(t)\to e^{-4 t} \left (c_1 e^{8 t}+c_2\right ) \]