Internal problem ID [648]
Book: Elementary differential equations and boundary value problems, 10th ed., Boyce and
DiPrima
Section: Chapter 3, Second order linear equations, 3.3 Complex Roots of the Characteristic
Equation , page 164
Problem number: 40.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_Emden, _Fowler]]
\[ \boxed {t^{2} y^{\prime \prime }-t y^{\prime }+5 y=0} \]
✓ Solution by Maple
Time used: 0.016 (sec). Leaf size: 21
dsolve(t^2*diff(y(t),t$2)- t*diff(y(t),t)+5*y(t) = 0,y(t), singsol=all)
\[ y \left (t \right ) = t \left (c_{1} \sin \left (2 \ln \left (t \right )\right )+c_{2} \cos \left (2 \ln \left (t \right )\right )\right ) \]
✓ Solution by Mathematica
Time used: 0.023 (sec). Leaf size: 24
DSolve[t^2*y''[t]-t*y'[t]+5*y[t]==0,y[t],t,IncludeSingularSolutions -> True]
\[ y(t)\to t (c_2 \cos (2 \log (t))+c_1 \sin (2 \log (t))) \]