Question

Calculati media aritmetica si media geometrica a numerelor a si b , unde a = √48 - 4√2 si b = 4√3 + √32.

Answer 1

Ma= (a+b)/2
a+b=√48-4√2+4√3+√32=4√3-4√2+4√3+4√2=8√3
Ma=8√3/2=4√3
Mg=√ab=√[(4√3-4√2)(4√3+4√2)]=√(16*3-16*2)=√(48-32)=√16=4
Raspuns: Ma=4√3, Mg=4