4.18.46 x2y(x)2=y(x)2

ODE
x2y(x)2=y(x)2 ODE Classification

[_separable]

Book solution method
No Missing Variables ODE, Solve for y

Mathematica
cpu = 0.00403022 (sec), leaf count = 19

{{y(x)c1x},{y(x)c1x}}

Maple
cpu = 0.009 (sec), leaf count = 15

{y(x)=_C1x,y(x)=_C1x} Mathematica raw input

DSolve[x^2*y'[x]^2 == y[x]^2,y[x],x]

Mathematica raw output

{{y[x] -> C[1]/x}, {y[x] -> x*C[1]}}

Maple raw input

dsolve(x^2*diff(y(x),x)^2 = y(x)^2, y(x),'implicit')

Maple raw output

y(x) = _C1/x, y(x) = _C1*x