Rationalize the denominator of the following expression.
$\frac{8\sqrt{a}}{11\sqrt{2a}+\sqrt{b}}$

$\frac{88a\sqrt2+8\sqrt{ab}}{22a-b}$

$\frac{88a\sqrt2+8\sqrt{ab}}{242a-b}$

$\frac{88a\sqrt2-8\sqrt{ab}}{22a-b}$

$\frac{88a\sqrt2-8\sqrt{ab}}{242a-b}$