What $is$ the general solution $of\frac{dy}{dx}=\frac{y^2+x^2}{yx}?$

Select one:

$a.y^2=2x^{2}ln|x|+C$

$b.y^2=2x^2(ln|x|+C)$

$c.y^2=2x^2[ln(x)+C]$

$d.y^2=2x^2(\frac{1}{2}{x}^2+C)$