58.1.24 problem 24

Internal problem ID [9095]
Book : Second order enumerated odes
Section : section 1
Problem number : 24
Date solved : Monday, January 27, 2025 at 05:37:22 PM
CAS classification : [[_2nd_order, _missing_x]]

\begin{align*} y^{\prime \prime }+y^{\prime }+y&=1 \end{align*}

✓ Solution by Maple

Time used: 0.002 (sec). Leaf size: 32

dsolve(diff(y(x),x$2)+diff(y(x),x)+y(x)=1,y(x), singsol=all)
 

\[ y = c_{2} {\mathrm e}^{-\frac {x}{2}} \sin \left (\frac {\sqrt {3}\, x}{2}\right )+{\mathrm e}^{-\frac {x}{2}} \cos \left (\frac {\sqrt {3}\, x}{2}\right ) c_{1} +1 \]

✓ Solution by Mathematica

Time used: 0.029 (sec). Leaf size: 49

DSolve[D[y[x],{x,2}]+D[y[x],x]+y[x]==1,y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to e^{-x/2} \left (e^{x/2}+c_2 \cos \left (\frac {\sqrt {3} x}{2}\right )+c_1 \sin \left (\frac {\sqrt {3} x}{2}\right )\right ) \]