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infoneetusinghoyg22o
04.04.2020 •
Mathematics
The sum of the first 5 terms of a geometric series is 1089, and the common ratio is \frac{1}{3}
3
1
. What is the first term?
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Ответ:
It is 4
Step-by-step explanation:
you just cross out both side until you reach the middle and the middle number is 4