3.255 problem 1255

Internal problem ID [9590]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1255.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _exact, _linear, _homogeneous]]

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

Solution by Maple

Time used: 0.0 (sec). Leaf size: 42

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

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

Solution by Mathematica

Time used: 0.592 (sec). Leaf size: 87

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

\[ y(x)\to \frac {\left (a^2+a (2 x-1)+2 (x-1) x\right ) \left (\frac {c_2 x^{a+1} (1-x)^{1-a}}{(a-1) a (a+1) \left (a^2+a (2 x-1)+2 (x-1) x\right )}+c_1\right )}{a^2+3 a+4} \]