Internal problem ID [2619]
Book: Differential equations and linear algebra, Stephen W. Goode and Scott A Annin. Fourth
edition, 2015
Section: Chapter 1, First-Order Differential Equations. Section 1.2, Basic Ideas and Terminology.
page 21
Problem number: Problem 45.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _missing_x]]
\[ \boxed {y^{\prime \prime }+y^{\prime }-6 y=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 17
dsolve(diff(y(x),x$2)+diff(y(x),x)-6*y(x)=0,y(x), singsol=all)
\[ y \left (x \right ) = \left (c_{2} {\mathrm e}^{5 x}+c_{1} \right ) {\mathrm e}^{-3 x} \]
✓ Solution by Mathematica
Time used: 0.004 (sec). Leaf size: 19
DSolve[y''[x]==x*Exp[x],y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to e^x (x-2)+c_2 x+c_1 \]