50.14.1 problem 1(a)

Internal problem ID [8039]
Book : Differential Equations: Theory, Technique, and Practice by George Simmons, Steven Krantz. McGraw-Hill NY. 2007. 1st Edition.
Section : Chapter 2. Problems for Review and Discovery. Drill excercises. Page 105
Problem number : 1(a)
Date solved : Monday, January 27, 2025 at 03:37:01 PM
CAS classification : [[_2nd_order, _missing_x]]

\begin{align*} y^{\prime \prime }-3 y^{\prime }+y&=0 \end{align*}

Solution by Maple

Time used: 0.001 (sec). Leaf size: 27

dsolve(diff(y(x),x$2)-3*diff(y(x),x)+y(x)=0,y(x), singsol=all)
 
\[ y = c_{1} {\mathrm e}^{\frac {\left (\sqrt {5}+3\right ) x}{2}}+c_{2} {\mathrm e}^{-\frac {\left (\sqrt {5}-3\right ) x}{2}} \]

Solution by Mathematica

Time used: 0.022 (sec). Leaf size: 35

DSolve[D[y[x],{x,2}]-3*D[y[x],x]+y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 
\[ y(x)\to e^{-\frac {1}{2} \left (\sqrt {5}-3\right ) x} \left (c_2 e^{\sqrt {5} x}+c_1\right ) \]