35.5.7 problem 7

Internal problem ID [6141]
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 : 7
Date solved : Monday, January 27, 2025 at 01:38:17 PM
CAS classification : [[_2nd_order, _missing_x]]

\begin{align*} y^{\prime \prime }-5 y^{\prime }+6 y&=0 \end{align*}

Solution by Maple

Time used: 0.003 (sec). Leaf size: 17

dsolve(diff(y(x),x$2)-5*diff(y(x),x)+6*y(x)=0,y(x), singsol=all)
 
\[ y = c_1 \,{\mathrm e}^{3 x}+c_2 \,{\mathrm e}^{2 x} \]

Solution by Mathematica

Time used: 0.014 (sec). Leaf size: 20

DSolve[D[y[x],{x,2}]-5*D[y[x],x]+6*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 
\[ y(x)\to e^{2 x} \left (c_2 e^x+c_1\right ) \]