Calculați media geometrica a nr a= 1 supra radical 2 + 2 supra radical 8 si b= radical 50 + radical 18

a = 1/√2 + 2/√8
= √2/2 + 2√8/8
= (4√2 + 4√2)/8
= 8√2/8
= √2
b = √50 + √18
= 5√2 + 3√2
= 8√2
Mg = √a·b
= √(√2·8√2)
= √2·8
= √16
= 4