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Media geometrica a numerelor 7-4√3 si 4√3-7 este...

Răspuns :

[tex]m_{g}=\sqrt{(7-4\sqrt3)(4\sqrt3-7)}=\sqrt{-(4\sqrt3-7)(4\sqrt3-7)}=\\ \\ =\sqrt{-(4\sqrt3-7)^2}=\sqrt{-(16*3-56\sqrt3+49)}=\sqrt{-(97+56\sqrt3)}[/tex]