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Calculati media geometrica:3√5+4√3 si 3√5-4√3.Ajutooor,va rog!

Răspuns :

[tex] m_{g} [/tex]=[tex] \sqrt{(3 \sqrt{5} +4 \sqrt{3})(3 \sqrt{5} -4 \sqrt{3} )}= \sqrt{(3 \sqrt{5})^{2}-(4 \sqrt{3} )^2 } = \sqrt{45-48} = \sqrt{3} =[/tex]