1.9 problem 9

Internal problem ID [456]

Book: Elementary differential equations and boundary value problems, 10th ed., Boyce and DiPrima
Section: Section 2.1. Page 40
Problem number: 9.
ODE order: 1.
ODE degree: 1.

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

\[ \boxed {y+2 y^{\prime }-3 t=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 15

dsolve(y(t)+2*diff(y(t),t) = 3*t,y(t), singsol=all)
 

\[ y \left (t \right ) = 3 t -6+{\mathrm e}^{-\frac {t}{2}} c_{1} \]

Solution by Mathematica

Time used: 0.041 (sec). Leaf size: 20

DSolve[y[t]+2*y'[t] == 3*t,y[t],t,IncludeSingularSolutions -> True]
 

\begin{align*} y(t)\to 3 t+c_1 e^{-t/2}-6 \\ \end{align*}