If the sum of a Arithmetic series when i = 1 equate the equation below:
What is the general forumla for when i starts at a value other than 1?
If the sum of a Arithmetic series when i = 1 equate the equation below:
What is the general forumla for when i starts at a value other than 1?
Copyright © 2021 JogjaFile Inc.

Hint: $$\sum_{i=k}^na_i=\sum_{i=1}^na_i-\sum_{i=1}^{k-1}a_i$$