Question

Va rog frumos. Ma puteti ajuta? Dau coroana.

Answer 1

$m_{g} = \sqrt{ \frac{4}{ \sqrt{5}+1 } * (\frac{ \sqrt{15} }{ \sqrt{3} } +1)} =\sqrt{ \frac{4}{ \sqrt{5}+1 } * ( \sqrt{5 } +1)}= \sqrt{4} =2$