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Which term is 13122?
The geometric sequence is 2, -6, 18, -54 tn=ar^(n-1) 13122=2(-3)^(n-1) 6561=(-3)^(n-1) log6561=n-1log-3 You
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Answers (1)
i think n - 2 + n - 1 + n + n + 1, thereby 4n - 2
