$\sqrt{\frac{48.4}{0.289}}$ is equal to

$\sqrt{0.01+\sqrt{0.0064}}=?$

$\frac{\sqrt{5}-\sqrt{3}}{\sqrt{5}+\sqrt{3}}$ is equal to

If $a = \frac{\sqrt{5} + 1}{\sqrt{5} - 1}$ and $b = \frac{\sqrt{5} - 1}{\sqrt{5} + 1}$,then the value of $\frac{a^{2} + ab + b^{2}}{a^{2} - ab + b^{2}}$ is

$\sqrt{\frac{0.081 \times 0.484}{0.0064 \times 6.25}}$ is equal to

$\sqrt{0.00004761} = ?$