33.6 problem 244

Internal problem ID [11078]

Book: Handbook of exact solutions for ordinary differential equations. By Polyanin and Zaitsev. Second edition
Section: Chapter 2, Second-Order Differential Equations. section 2.1.2-8. Other equations.
Problem number: 244.
ODE order: 2.
ODE degree: 1.

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

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

Solution by Maple

Time used: 0.125 (sec). Leaf size: 161

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

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

Solution by Mathematica

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

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

Not solved