3.51 problem 1052

Internal problem ID [9385]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1052.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {y^{\prime \prime }+a x y^{\prime }+y b=0} \]

Solution by Maple

Time used: 0.078 (sec). Leaf size: 58

dsolve(diff(diff(y(x),x),x)+a*x*diff(y(x),x)+b*y(x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = {\mathrm e}^{-\frac {a \,x^{2}}{2}} x \left (\operatorname {KummerM}\left (\frac {2 a -b}{2 a}, \frac {3}{2}, \frac {a \,x^{2}}{2}\right ) c_{1} +\operatorname {KummerU}\left (\frac {2 a -b}{2 a}, \frac {3}{2}, \frac {a \,x^{2}}{2}\right ) c_{2} \right ) \]

Solution by Mathematica

Time used: 0.039 (sec). Leaf size: 67

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

\[ y(x)\to e^{-\frac {a x^2}{2}} \left (c_1 \operatorname {HermiteH}\left (\frac {b}{a}-1,\frac {\sqrt {a} x}{\sqrt {2}}\right )+c_2 \operatorname {Hypergeometric1F1}\left (\frac {a-b}{2 a},\frac {1}{2},\frac {a x^2}{2}\right )\right ) \]