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29 January, 15:16

The sum of the first 6 terms of a geometric series is 15,624 and the common ratio is

5 find the first term of the series

+5
Answers (1)
  1. 29 January, 16:35
    0
    4

    Step-by-step explanation:

    The sum of the first n terms of a geometric series is:

    S = a₁ (1 - rⁿ) / (1 - r)

    Given S = 15624, r = 5, and n = 6:

    15624 = a₁ (1 - 5⁶) / (1 - 5)

    a₁ = 4
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