Question

Media aritmetica si mg la numerele 2+√3 si 2-√3

Answer 1

ma = (2 + √3 + 2 - √3)/2 = 4/2 = 2

mg = √(2 + √3)(2 - √3) = √(4 - 3) = √1 = 1

Obs.

ma = (a + b)/2

mg = √a×b

am mai folosit formula (a + b)(a - b) = a² - b²