1.5 problem 17

Internal problem ID [5230]

Book: Schaums Outline. Theory and problems of Differential Equations, 1st edition. Frank Ayres. McGraw Hill 1952
Section: Chapter 2. Solutions of differential equations. Supplemetary problems. Page 11
Problem number: 17.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {y^{\prime \prime }-2 y^{\prime }+y=0} \]

Solution by Maple

Time used: 0.016 (sec). Leaf size: 12

dsolve(diff(y(x),x$2)-2*diff(y(x),x)+y(x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = {\mathrm e}^{x} \left (c_{2} x +c_{1} \right ) \]

Solution by Mathematica

Time used: 0.012 (sec). Leaf size: 16

DSolve[y''[x]-2*y'[x]+y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to e^x (c_2 x+c_1) \]