Fara dau coroana 5 *****

Media geometrică ⇒ [tex]\sqrt{a*b}[/tex]
a) a = 2, b = 18;
[tex]\sqrt{a*b}=\sqrt{2*18}=\sqrt{36}=6.[/tex]
b) a = 3, b = 12;
[tex]\sqrt{a*b}=\sqrt{3*12}=\sqrt{36}=6.[/tex]
c) a = [tex]\frac{14}{5}[/tex], b = [tex]\frac{10}{7}[/tex];
[tex]\sqrt{a*b}=\sqrt{\frac{14}{5}*\frac{10}{7}}=\sqrt{4}=2.[/tex]
d) a = 112, b = [tex]\frac{4}{7}[/tex];
[tex]\sqrt{a*b}=\sqrt{112*\frac{4}{7}}=\sqrt{64}=8.[/tex]
@robertinnifd