Question

urgent
f )
12 puncte...

Answer 1

$\sqrt{5} ^{-1} = \frac{1}{ \sqrt{5} }$
$M_{g} =\sqrt{\frac{1}{ \sqrt{5} }* \sqrt{ \frac{5}{16} }} =\sqrt{\frac{1}{ \sqrt{5} }* \frac{ \sqrt{5} }{4}} =\sqrt{\frac{1}{4}} =\frac{1}{2}$