Internal problem ID [4650]
Book: Ordinary Differential Equations, By Tenenbaum and Pollard. Dover, NY 1963
Section: Chapter 4. Higher order linear differential equations. Lesson 22. Variation of
Parameters
Problem number: Exercise 22, problem 20, page 240.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _exact, _linear, _nonhomogeneous]]
\[ \boxed {2 x^{2} y^{\prime \prime }+3 x y^{\prime }-y=\frac {1}{x}} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 24
dsolve(2*x^2*diff(y(x),x$2)+3*x*diff(y(x),x)-y(x)=1/x,y(x), singsol=all)
\[ y \left (x \right ) = \frac {9 x^{\frac {3}{2}} c_{2} -3 \ln \left (x \right )+9 c_{1} -2}{9 x} \]
✓ Solution by Mathematica
Time used: 0.018 (sec). Leaf size: 31
DSolve[2*x^2*y''[x]+3*x*y'[x]-y[x]==1/x,y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to \frac {9 c_2 x^{3/2}-3 \log (x)-2+9 c_1}{9 x} \]