Question

Va rog frumos sa ma ajutati !

Answer 1

$\frac{ \sqrt{5} }{ \sqrt{10} } - \frac{ \sqrt{7} }{ \sqrt{14} } - \frac{ \sqrt{3} }{ \sqrt{6} } = \frac{0,70710678}{1} - \frac{ \sqrt{3} }{ \sqrt{6} } =0,70710678-0,70710678=0$