29.10 problem 119

Internal problem ID [10953]

Book: Handbook of exact solutions for ordinary differential equations. By Polyanin and Zaitsev. Second edition
Section: Chapter 2, Second-Order Differential Equations. section 2.1.2-4 Equation of form \(x^2 y''+f(x)y'+g(x)y=0\)
Problem number: 119.
ODE order: 2.
ODE degree: 1.

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

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

Solution by Maple

Time used: 0.016 (sec). Leaf size: 138

dsolve(x^2*diff(y(x),x$2)-(a^2*x^(2*n)+a*(2*b+n-1)*x^n+b*(b-1))*y(x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = c_{1} x^{b} {\mathrm e}^{\frac {a \,x^{n}}{n}}+c_{2} \left (2 \left (\left (-b +\frac {1}{2}+\frac {n}{2}\right ) x^{-\frac {3 n}{2}+\frac {1}{2}}+a \,x^{-\frac {n}{2}+\frac {1}{2}}\right ) n \operatorname {WhittakerM}\left (\frac {-2 b -n +1}{2 n}, -\frac {b}{n}+1+\frac {1}{2 n}, \frac {2 a \,x^{n}}{n}\right )+4 x^{-\frac {3 n}{2}+\frac {1}{2}} \operatorname {WhittakerM}\left (\frac {n -2 b +1}{2 n}, -\frac {b}{n}+1+\frac {1}{2 n}, \frac {2 a \,x^{n}}{n}\right ) \left (b -\frac {1}{2}-\frac {n}{2}\right )^{2}\right ) \]

Solution by Mathematica

Time used: 0.0 (sec). Leaf size: 0

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

Not solved