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Calculati media geometrica a numerelor a=(√2-1)(√5+1) si b=(√2+1)(√5-1). Plsss

Răspuns :

m.g = [tex] \sqrt{(√2-1)(√5+1) *(√2+1)(√5-1)} = \sqrt{( 2 - 1)( 5-1)} = \sqrt{1*4} = \sqrt{4} [/tex] = 2