5.59 problem 63 (d)

Internal problem ID [14288]

Book: INTRODUCTORY DIFFERENTIAL EQUATIONS. Martha L. Abell, James P. Braselton. Fourth edition 2014. ElScAe. 2014
Section: Chapter 2. First Order Equations. Exercises 2.3, page 49
Problem number: 63 (d).
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_linear, `class A`]]

\[ \boxed {y^{\prime }+y={\mathrm e}^{t}} \] With initial conditions \begin {align*} [y \left (0\right ) = 0] \end {align*}

Solution by Maple

Time used: 0.016 (sec). Leaf size: 15

dsolve([diff(y(t),t)+y(t)=exp(t),y(0) = 0],y(t), singsol=all)
 

\[ y \left (t \right ) = \frac {{\mathrm e}^{t}}{2}-\frac {{\mathrm e}^{-t}}{2} \]

Solution by Mathematica

Time used: 0.043 (sec). Leaf size: 21

DSolve[{y'[t]+y[t]==Exp[t],{y[0]==0}},y[t],t,IncludeSingularSolutions -> True]
 

\[ y(t)\to \frac {1}{2} e^{-t} \left (e^{2 t}-1\right ) \]