1.341 problem 346

Internal problem ID [7831]

Book: Collection of Kovacic problems
Section: section 1
Problem number: 346.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {x y^{\prime \prime }+\left (2 x +1\right ) y^{\prime }+\left (1+x \right ) y=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 19

dsolve(x*diff(y(x),x$2)+(2*x+1)*diff(y(x),x)+(x+1)*y(x)=0,y(x), singsol=all)
 

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

Solution by Mathematica

Time used: 0.026 (sec). Leaf size: 19

DSolve[x*y''[x]+(2*x+1)*y'[x]+(x+1)*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
                                                                                    
                                                                                    
 

\[ y(x)\to e^{-x} (c_2 \log (x)+c_1) \]