Internal problem ID [677]
Book: Elementary differential equations and boundary value problems, 10th ed., Boyce and
DiPrima
Section: Chapter 3, Second order linear equations, 3.4 Repeated roots, reduction of order , page
172
Problem number: 40.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_Emden, _Fowler], [_2nd_order, _linear, `_with_symmetry_[0,F(x)]`]]
\[ \boxed {t^{2} y^{\prime \prime }-3 t y^{\prime }+4 y=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 14
dsolve(t^2*diff(y(t),t$2)-3*t*diff(y(t),t)+4*y(t)=0,y(t), singsol=all)
\[ y \left (t \right ) = t^{2} \left (c_{2} \ln \left (t \right )+c_{1} \right ) \]
✓ Solution by Mathematica
Time used: 0.016 (sec). Leaf size: 18
DSolve[t^2*y''[t]-3*t*y'[t]+4*y[t]==0,y[t],t,IncludeSingularSolutions -> True]
\[ y(t)\to t^2 (2 c_2 \log (t)+c_1) \]