Răspuns :
[tex]\it m_{g} = \sqrt{a \cdot b} = \sqrt{2 \cdot 8} = \sqrt{16} = 4 \\ \\ m_{g} = \sqrt{a \cdot b} = \sqrt{\sqrt{3} \cdot 3\sqrt{3} } = \sqrt{3 \cdot 3} = \sqrt{3^{2} } = 3 \\ \\ m_{a} = \frac{a~+~b~+~c}{3} = \frac{3 + 4 + 5}{3} = \frac{12}{3} = 4[/tex]
Răspuns:
a) [tex]M_{g}=\sqrt{2*8}[/tex]
[tex]M_{g}=\sqrt{16}[/tex]
[tex]M_{g}=4[/tex]
b) [tex]M_{g}=\sqrt{\sqrt{3}*3\sqrt{3}}[/tex]
[tex]M_{g}=\sqrt{3*3}[/tex]
[tex]M_{g}=\sqrt{9}[/tex]
[tex]M_{g}=3[/tex]
c) [tex]M_{a}=\frac{3+4+5}{3}[/tex]
[tex]M_{a}=\frac{12}{3}[/tex]
[tex]M_{a}=4[/tex]
Formule aplicate:
[tex]M_{g}=\sqrt{a*b}[/tex]
[tex]M_{a}=\frac{x_1+x_2+x_3...+x_n}{n}[/tex]