Hey everyone:
I am having some trouble with this problem. I think I am having a problem with the algebra.
$\displaystyle
\sqrt {xy} = 1 + x^2y
$
I can get to this point
$\displaystyle
\frac1 2(xy)(y + x\frac{dy}{dx}) = 2xy + x^2\frac{dy}{dx}
$
I'm having some difficulty getting passed this.
Any help is appreciated.
Thanks