Rationalize the denominator of the radical expression.
$\(\frac{10}{\sqrt{11}\)+\(\sqrt{21}\)}$

$\(\sqrt{21}\)-\(\sqrt{11}\)$

$\(\sqrt{21}\)+\(\sqrt{11}\)$

$\(\frac{\sqrt{21}\)-\(\sqrt{11}\)}{10}$

$\(\frac{\sqrt{21}\)+\(\sqrt{11}\)}{10}$