Média Aritmética x Média Harmônica x Média Geométrica - Para 2 valores a Média Geométria pode ser obtida?

RESOLUÇÃO: Média aritmética: ......? Xi X = ------ = (4+6+9) / 3 = 19 / 3 ........3 Média geométrica: G = ³?(4 × 6 × 9) = ³?(216) = 6 Média harmônica: Primeiro passo: encontrando os recíprocos: 1/4, 1/6, 1/9 Segundo passo: média dos recíprocos: (1/4) + (1/6) + (1/9)......9 + 6 + 4.......1........19 ------------------------- = ------------- x ------ = ----- .............3............................ Terceiro passo: recíproco do valor acima.

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