Internal problem ID [12235]
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(n).
ODE order: 3.
ODE degree: 1.
CAS Maple gives this as type [[_3rd_order, _quadrature]]
\[ \boxed {y^{\prime \prime \prime }=1} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 20
dsolve(diff(y(x),x$3)=1,y(x), singsol=all)
\[ y \left (x \right ) = \frac {1}{6} x^{3}+\frac {1}{2} c_{1} x^{2}+c_{2} x +c_{3} \]
✓ Solution by Mathematica
Time used: 0.003 (sec). Leaf size: 25
DSolve[y'''[x]==1,y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to \frac {x^3}{6}+c_3 x^2+c_2 x+c_1 \]