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Answer: This Is An Arithmetic Series
Step-by-step explanation: ( I Hope I Do Good On Explaining, Im Not Very good with explaining these thing but i will try my best)
An arithmetic series is the sum of the terms of an arithmetic sequence. A geometric series is the sum of the terms of a geometric sequence.
The formula for the first n terms of an arithmetic sequence, starting with i = 1. But In This Case It Is n=1.
( I Really Hope This Explanation Helps You. I Tried My Best At Explaining, But I Still Hope This Does You Some Good At Least. May God Be With You.)