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Maru [420]
2 years ago
13

Which represents the sum of the geometric series 4+12+36+108+...+78,732

Mathematics
1 answer:
katrin2010 [14]2 years ago
7 0
Each successive term is 3 times the previous one, so you could write the sum as

\displaystyle\sum_{i=1}^{10}4\times3^{i-1}=118096
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<u>Solving in steps</u>

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