Question

$\frac{ 1}{ \sqrt{ 7 + \sqrt{ \ 2} } }$
find the ratio rational izing factor of ​

Answer 1

Rationalizing factor is

$\frac{1}{ \sqrt{47} } \frac{ \sqrt{ \sqrt{7} - \sqrt{2} } }{ \sqrt{ \sqrt{7} - \sqrt{2} } }$