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3 November, 20:32

The sum of this geometric series with 7 terms: 2 + 6 + ... + 1458 is

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  1. 3 November, 20:45
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    The sum of the terms in a geometric sequence is obtained through the equation below,

    S = (a1) (1 - r^n) / (1 - r)

    Substituting,

    S = 2 (1 - 3^7) / (1 - 3) = 2186

    Thus, the sum of the first 7 terms in the geometric sequence is equal to 2186.
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