11.7 problem 1(g)

Internal problem ID [11484]

Book: A First Course in Differential Equations by J. David Logan. Third Edition. Springer-Verlag, NY. 2015.
Section: Chapter 2, Second order linear equations. Section 2.4.1 Cauchy-Euler equations. Exercises page 120
Problem number: 1(g).
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _missing_y]]

\[ \boxed {t^{2} x^{\prime \prime }+t x^{\prime }=0} \] With initial conditions \begin {align*} [x \left (1\right ) = 0, x^{\prime }\left (1\right ) = 2] \end {align*}

Solution by Maple

Time used: 0.0 (sec). Leaf size: 8

dsolve([t^2*diff(x(t),t$2)+t*diff(x(t),t)=0,x(1) = 0, D(x)(1) = 2],x(t), singsol=all)
 

\[ x \left (t \right ) = 2 \ln \left (t \right ) \]

Solution by Mathematica

Time used: 0.038 (sec). Leaf size: 9

DSolve[{t^2*x''[t]+t*x'[t]==0,{x[1]==0,x'[1]==2}},x[t],t,IncludeSingularSolutions -> True]
 

\[ x(t)\to 2 \log (t) \]