12.8 problem 327

Internal problem ID [3583]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 12
Problem number: 327.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

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

Solution by Maple

Time used: 0.0 (sec). Leaf size: 12

dsolve(2*x^2*diff(y(x),x) = y(x),y(x), singsol=all)
 

\[ y \left (x \right ) = c_{1} {\mathrm e}^{-\frac {1}{2 x}} \]

Solution by Mathematica

Time used: 0.025 (sec). Leaf size: 22

DSolve[2 x^2 y'[x]==y[x],y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to c_1 e^{\left .-\frac {1}{2}\right /x} y(x)\to 0 \end{align*}