Question

qual o numero de termos da p.g., onde a1=6, an=96 e q=2?

Answer 1

An = A1 * q^(n-1)

96 = 6 * 2^(n-1)

16 = 2^(n-1)

2^4 = 2^(n-1)

4 = n-1

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n = 5 termos
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São eles

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{...6, 12, 24, 48, 96...}
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