\(\frac{1}{{\sqrt 6 {\rm{\;}} + {\rm{\;}}\sqrt 8 - \sqrt {14} }} = ?\)
1
\(\frac{{\sqrt {18} {\rm{\;}} + {\rm{\;}}\sqrt {24} {\rm{\;}} + {\rm{\;}}\sqrt {42} }}{{24}}\)
2
\(\frac{{\sqrt {18} {\rm{\;}} + {\rm{\;}}\sqrt {24} {\rm{\;}} + {\rm{\;}}\sqrt {52} }}{{24}}\)
3
\(\frac{{\sqrt {18} {\rm{\;}} + {\rm{\;}}\sqrt {34} {\rm{\;}} + {\rm{\;}}\sqrt {42} }}{{24}}\)
4
\(\frac{{\sqrt {28} {\rm{\;}} + {\rm{\;}}\sqrt {24} {\rm{\;}} + {\rm{\;}}\sqrt {42} }}{{24}}\)