1.38 problem 38

Internal problem ID [6671]

Book: Second order enumerated odes
Section: section 1
Problem number: 38.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _missing_x]]

Solve \begin {gather*} \boxed {y^{\prime \prime }+y-1=0} \end {gather*}

Solution by Maple

Time used: 0.0 (sec). Leaf size: 14

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

\[ y \relax (x ) = c_{2} \sin \relax (x )+c_{1} \cos \relax (x )+1 \]

Solution by Mathematica

Time used: 0.004 (sec). Leaf size: 17

DSolve[y''[x]+y[x]==1,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to c_1 \cos (x)+c_2 \sin (x)+1 \\ \end{align*}