Question

calcule √√16 - ⁴√16 = ?

Answer 1

$\sqrt{ \sqrt{16} - \sqrt[4]{16} } \\ \\ \\ \sqrt{ 4 - \sqrt[4]{2^4} } \\ \\ \\ \sqrt{ 4 - 2} \\ \\ \\ =\ \textgreater \ \sqrt{2}$