3.15 problem 15

Internal problem ID [7205]

Book: Own collection of miscellaneous problems
Section: section 3.0
Problem number: 15.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {x^{4} y^{\prime \prime }+y^{\prime } x^{3}-4 x^{2} y=1} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 24

dsolve(x^4*diff(y(x),x$2)+x^3*diff(y(x),x)-4*x^2*y(x)=1,y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {16 c_{2} x^{4}-4 \ln \left (x \right )+16 c_{1} -1}{16 x^{2}} \]

Solution by Mathematica

Time used: 0.019 (sec). Leaf size: 29

DSolve[x^4*y''[x]+x^3*y'[x]-4*x^2*y[x]==1,y[x],x,IncludeSingularSolutions -> True]
                                                                                    
                                                                                    
 

\[ y(x)\to \frac {16 c_2 x^4-4 \log (x)-1+16 c_1}{16 x^2} \]