35.5.2 problem 2

Internal problem ID [6136]
Book : Mathematical Methods in the Physical Sciences. third edition. Mary L. Boas. John Wiley. 2006
Section : Chapter 8, Ordinary differential equations. Section 5. SECOND-ORDER LINEAR EQUATIONSWITH CONSTANT COEFFICIENTS AND ZERO RIGHT-HAND SIDE. page 414
Problem number : 2
Date solved : Monday, January 27, 2025 at 01:38:06 PM
CAS classification : [[_2nd_order, _missing_x]]

\begin{align*} y^{\prime \prime }-4 y^{\prime }+4 y&=0 \end{align*}

Solution by Maple

Time used: 0.002 (sec). Leaf size: 14

dsolve(diff(y(x),x$2)-4*diff(y(x),x)+4*y(x)=0,y(x), singsol=all)
 
\[ y = {\mathrm e}^{2 x} \left (c_2 x +c_1 \right ) \]

Solution by Mathematica

Time used: 0.015 (sec). Leaf size: 18

DSolve[D[y[x],{x,2}]-4*D[y[x],x]+4*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 
\[ y(x)\to e^{2 x} (c_2 x+c_1) \]