Frac 2 sqrt 7 July 8, 2019 16 32 64 128 Frac 2 3 sqrt 7 Frac 2 + sqrt 5 7 $ frac 2 sqrt 8 + sqrt 7 Simplify the expression $ frac 2 sqrt 7 $ Frac 1 sqrt 7 - 2 Frac sqrt 2 sqrt 7 Frac sqrt 2 2 Frac 2 sqrt 7 72