Mathematics, 21.01.2021 03:50 alyssaxsanchez
What is the first term in a geometric sequence if the common ratio is − 2 and the sum of the first six terms is −105?
Hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio.
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What is the first term in a geometric sequence if the common ratio is − 2 and the sum of the first s...
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