Mathematics, 16.07.2019 01:10 isaacgarcia0830

What is the sum of the geometric series in which a1 = −5, r = 3, and an = −405? a hint on how to solve is attached! r ≠ 1, where a1 is the first term and r is the common ratio.

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What is the sum of the geometric series in which a1 = −5, r = 3, and an = −405? a hint on how to so...

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