2.3 problem 23

Internal problem ID [14950]

Book: A book of problems in ordinary differential equations. M.L. KRASNOV, A.L. KISELYOV, G.I. MARKARENKO. MIR, MOSCOW. 1983
Section: Section 2. The method of isoclines. Exercises page 27
Problem number: 23.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_linear, `class A`]]

\[ \boxed {y^{\prime }-y=-x} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 11

dsolve(diff(y(x),x)=y(x)-x,y(x), singsol=all)
 

\[ y \left (x \right ) = x +1+c_{1} {\mathrm e}^{x} \]

Solution by Mathematica

Time used: 0.023 (sec). Leaf size: 14

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

\[ y(x)\to x+c_1 e^x+1 \]