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Rasio suatu barisan geometri dengan U 1 = − 16 d an U 8 = 8 1 adalah ...

Rasio suatu barisan geometri dengan $U_{1} = - 16 d an U_{8} = \frac{1}{8}$ adalah ...

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Jawaban terverifikasi

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$U subscript 1 equals space – 16 rightwards arrow a space equals negative 16 space U subscript 8 equals 1 over 8 rightwards arrow a r to the power of 7 equals 1 over 8 space space space space space space space space space space space space space space minus 16 space cross times space r to the power of 7 equals 1 over 8 space space space space space space space space space space space space space space space space r to the power of 7 equals 1 over 8 cross times fraction numerator 1 over denominator negative 16 end fraction space space space space space space space space space space space space space space space space r to the power of 7 equals negative fraction numerator 1 over denominator 128 space end fraction space space space space space space space space space space space space space space r to the power of 7 equals negative 2 to the power of 7 space space space space space space space space space space space space space space space r equals negative 2 space J a d i comma space r a s i o n y a space equals space – space 2 space$