Răspuns :
a = √2 + 1
b = √2 - 1
mg = √(a * b) = √[(√2 + 1)(√2 - 1)] =√(2 - 1) = √1 = 1
b = 1,41 - 1 = 0,41
a = 1,41 + 1 = 2,41
⇒ b < mg < a
b = √2 - 1
mg = √(a * b) = √[(√2 + 1)(√2 - 1)] =√(2 - 1) = √1 = 1
b = 1,41 - 1 = 0,41
a = 1,41 + 1 = 2,41
⇒ b < mg < a