Internal problem ID [12227]
Book: APPLIED DIFFERENTIAL EQUATIONS The Primary Course by Vladimir A.
Dobrushkin. CRC Press 2015
Section: Chapter 4, Second and Higher Order Linear Differential Equations. Problems page
221
Problem number: Problem 1(f).
ODE order: 3.
ODE degree: 1.
CAS Maple gives this as type [[_3rd_order, _linear, _nonhomogeneous]]
\[ \boxed {y^{\prime \prime \prime }+y x=\cosh \left (x \right )} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 1443
dsolve(diff(y(x),x$3)+x*y(x)=cosh(x),y(x), singsol=all)
\[ \text {Expression too large to display} \]
✗ Solution by Mathematica
Time used: 0.0 (sec). Leaf size: 0
DSolve[y'''[x]+x*y[x]==Cosh[x],y[x],x,IncludeSingularSolutions -> True]
Timed out