1.477 problem 490

Internal problem ID [7967]

Book: Collection of Kovacic problems
Section: section 1
Problem number: 490.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {\left (2 x^{2}+1\right ) y^{\prime \prime }+7 x y^{\prime }+2 y=0} \]

Solution by Maple

Time used: 0.015 (sec). Leaf size: 44

dsolve((1+2*x^2)*diff(y(x),x$2)+7*x*diff(y(x),x)+2*y(x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {c_{1} x}{\left (2 x^{2}+1\right )^{\frac {3}{4}}}+\frac {c_{2} x \left (\int \frac {1}{\left (2 x^{2}+1\right )^{\frac {1}{4}} x^{2}}d x \right )}{\left (2 x^{2}+1\right )^{\frac {3}{4}}} \]

Solution by Mathematica

Time used: 0.062 (sec). Leaf size: 66

DSolve[(1+2*x^2)*y''[x]+7*x*y'[x]+2*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
                                                                                    
                                                                                    
 

\[ y(x)\to \frac {c_2 Q_{\frac {1}{4}}^{\frac {3}{4}}\left (i \sqrt {2} x\right )}{\left (2 x^2+1\right )^{3/8}}+\frac {2 i \sqrt [4]{2} c_1 x}{\left (2 x^2+1\right )^{3/4} \operatorname {Gamma}\left (\frac {1}{4}\right )} \]