Internal problem ID [7264]
Book: Own collection of miscellaneous problems
Section: section 4.0
Problem number: 40.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _linear, _nonhomogeneous]]
\[ \boxed {2 x^{2} y^{\prime \prime }+2 x y^{\prime }-y x=\sin \left (x \right )} \] With the expansion point for the power series method at \(x = 0\).
✓ Solution by Maple
Time used: 0.015 (sec). Leaf size: 77
Order:=6; dsolve(2*x^2*diff(y(x), x, x) + 2*x*diff(y(x), x) - x*y(x) = sin(x),y(x),type='series',x=0);
\[ y \left (x \right ) = \left (c_{2} \ln \left (x \right )+c_{1} \right ) \left (1+\frac {1}{2} x +\frac {1}{16} x^{2}+\frac {1}{288} x^{3}+\frac {1}{9216} x^{4}+\frac {1}{460800} x^{5}+\operatorname {O}\left (x^{6}\right )\right )+x \left (\frac {1}{2}+\frac {1}{16} x -\frac {5}{864} x^{2}-\frac {5}{27648} x^{3}+\frac {1127}{6912000} x^{4}+\frac {1127}{497664000} x^{5}+\operatorname {O}\left (x^{6}\right )\right )+\left (-x -\frac {3}{16} x^{2}-\frac {11}{864} x^{3}-\frac {25}{55296} x^{4}-\frac {137}{13824000} x^{5}+\operatorname {O}\left (x^{6}\right )\right ) c_{2} \]
✓ Solution by Mathematica
Time used: 0.156 (sec). Leaf size: 340
AsymptoticDSolveValue[2*x^2*y''[x]+2*x*y'[x]-x*y[x]==Sin[x],y[x],{x,0,5}]
\[ y(x)\to c_2 \left (\frac {x^5}{460800}+\frac {x^4}{9216}+\frac {x^3}{288}+\frac {x^2}{16}+\frac {x}{2}+1\right )+c_1 \left (x^5 \left (\frac {\log (x)}{460800}-\frac {107}{13824000}\right )+x^4 \left (\frac {\log (x)}{9216}-\frac {19}{55296}\right )+x^3 \left (\frac {\log (x)}{288}-\frac {1}{108}\right )+x^2 \left (\frac {\log (x)}{16}-\frac {1}{8}\right )+x \left (\frac {\log (x)}{2}-\frac {1}{2}\right )+\log (x)+1\right )+\left (\frac {4963 x^6}{16588800}-\frac {91 x^5}{460800}-\frac {23 x^4}{2304}-\frac {5 x^3}{288}+\frac {x^2}{8}+\frac {x}{2}\right ) \left (x^5 \left (\frac {\log (x)}{460800}-\frac {107}{13824000}\right )+x^4 \left (\frac {\log (x)}{9216}-\frac {19}{55296}\right )+x^3 \left (\frac {\log (x)}{288}-\frac {1}{108}\right )+x^2 \left (\frac {\log (x)}{16}-\frac {1}{8}\right )+x \left (\frac {\log (x)}{2}-\frac {1}{2}\right )+\log (x)+1\right )+\left (\frac {x^5}{460800}+\frac {x^4}{9216}+\frac {x^3}{288}+\frac {x^2}{16}+\frac {x}{2}+1\right ) \left (\frac {x^6 (66968-74445 \log (x))}{248832000}+\frac {13 x^5 (210 \log (x)-3107)}{13824000}+\frac {x^4 (276 \log (x)-325)}{27648}+\frac {1}{864} x^3 (15 \log (x)+37)+\frac {1}{16} x^2 (3-2 \log (x))-\frac {1}{2} x \log (x)\right ) \]