Question

Calculati media geometria a numerelor : a= (√5 - 1 )(1+√10)
b= (√10-1)(1+√5)

Answer 1

$Mg= \sqrt{a*b}$
a·b=(√5-1)(√5+1)(√10+1)(√10-1)
a·b=(5-1)(10-1)
a·b=4·9
a·b=36
Mg=√36
Mg=6