10.40 problem 40 (c)

Internal problem ID [14513]

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 (c).
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {y^{\prime \prime }-6 y^{\prime }-16 y=0} \]

Solution by Maple

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

dsolve(diff(y(t),t$2)-6*diff(y(t),t)-16*y(t)=0,y(t), singsol=all)
 

\[ y \left (t \right ) = c_{1} {\mathrm e}^{8 t}+c_{2} {\mathrm e}^{-2 t} \]

Solution by Mathematica

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

DSolve[y''[t]-6*y'[t]-16*y[t]==0,y[t],t,IncludeSingularSolutions -> True]
 

\[ y(t)\to c_1 e^{-2 t}+c_2 e^{8 t} \]