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Which would be a correct step in deriving the summation formula for the geometric series 5+15+45+135+405+.....? 1. 2. 3. 4.
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Which would be a correct step in deriving the summation formula for the geometric series 5+15+45+135+405+.....?

1.
2.
3.
4.

User Josteve Adekanbi
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1 Answer

3 votes
the answer to your question is 605
User Gvgramazio
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