Question

x=5√2-7   y=5√2+7   Media geometrica a numerelor x si y este ...

Answer 1

mg= √xy

mg=√ (5√2 -7)(5√+7)

mg= √50-49= √1=1

Answer 2

Mg= √xy...... Mg=√ (5√2 -7)(5√+7)...... Mg= √(50-49)= √1=1.... {Am folosit formula de calcul prescurtat: (a+b)(a-b)= a^2-b^2}