18.51 problem 57

Internal problem ID [14878]

Book: INTRODUCTORY DIFFERENTIAL EQUATIONS. Martha L. Abell, James P. Braselton. Fourth edition 2014. ElScAe. 2014
Section: Chapter 4. Higher Order Equations. Chapter 4 review exercises, page 219
Problem number: 57.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_Emden, _Fowler], [_2nd_order, _linear, `_with_symmetry_[0,F(x)]`]]

\[ \boxed {x^{2} y^{\prime \prime }-4 y^{\prime } x +6 y=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 13

dsolve(x^2*diff(y(x),x$2)-4*x*diff(y(x),x)+6*y(x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = x^{2} \left (c_{1} x +c_{2} \right ) \]

Solution by Mathematica

Time used: 0.01 (sec). Leaf size: 16

DSolve[x^2*y''[x]-4*x*y'[x]+6*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to x^2 (c_2 x+c_1) \]