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Am teza ajutatima 8-3√7 si 8+
3√7va rog


Răspuns :

Sa calculam media aritmetica si media geometrica ???

[tex]m_a=\frac{8-3\sqrt7+8+3\sqrt7}{2}=16/2=8\;;\\ \\ m_g=\sqrt{(8-3\sqrt7)(8+3\sqrt7)}=\sqrt{64-63}=1\;;[/tex]