Rationalize the denominator of the radical expression.
$\(\frac{23}{23+\sqrt{19}\)}$

$\(\frac{510+\sqrt{19}\)}{529}$

$23\(\sqrt{19}\)$

$\(\frac{19-510\sqrt{19}\)}{529}$

$\(\frac{529-23\sqrt{19}\)}{510}$