3.186 problem 1186

Internal problem ID [8764]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1186.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _linear, _nonhomogeneous]]

\[ \boxed {x^{2} y^{\prime \prime }-5 y^{\prime } x +8 y-\sin \left (x \right ) x^{3}=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 34

dsolve(x^2*diff(diff(y(x),x),x)-5*x*diff(y(x),x)+8*y(x)-sin(x)*x^3=0,y(x), singsol=all)
 

\[ y \left (x \right ) = c_{2} x^{4}+x^{2} c_{1} +\frac {x^{2} \left (\operatorname {Ci}\left (x \right ) x^{2}-x \sin \left (x \right )+\cos \left (x \right )\right )}{2} \]

Solution by Mathematica

Time used: 0.012 (sec). Leaf size: 37

DSolve[-(x^3*Sin[x]) + 8*y[x] - 5*x*y'[x] + x^2*y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {1}{2} x^2 \left (x^2 \operatorname {CosIntegral}(x)+2 c_2 x^2-x \sin (x)+\cos (x)+2 c_1\right ) \\ \end{align*}