Question

Cum pot calcula media geometrica a doua fractii ?
De exemplu : 21/4 si 12/7 ?
Dau 20 puncte!
Va rog mult !

Answer 1

$m_{g}= \sqrt{ \frac{21}{4}* \frac{12}{7} } = \sqrt{ \frac{3*7*3*4}{4*7} }= \sqrt{9}=3$