Question

calculati media aritmetica si media geometrica a numerelor:a) x=2√3 +3 si y=√(21-12√3) b)x=√5+3 si y=√(14-6√5)

Answer 1

a)
x=2√3+3
y=√(2√3-3)²=|2√3-3|=2√3-3
m.a.=2√3
m.g=√(12-9)=√3


b)x=3+√5
b=√(3-√5)²=|3-√5|=3-√5
m.a.=3
m.g.=√(9-5)=√4=2