Question

a= 4+2 radical 3 b= 4-2 radical 3 media geometrica ? media aritmetica? urgent

Answer 1

a = 4 + 2√3   si    b = 4 - 2√3

Ma ( a; b) = ( 4 + 2√3 + 4 - 2√3 ) / 2 = 8 / 2 = 4 → media aritmetica

Mg (a; b) =√( 4 + 2√3 ) ×√( 4 - 2√3) = √(16+8√3-8√3-4×3 ) = √(16-12) =√4 = 2 → media geometrica