Asked by Embraced
What is the summation of (n-3) from n=1 to n=5?
Answers
Answered by
Reiny
let n=1 -- 1-3 = -2
let n=2 -- 2-3 = -1
let n=3 -- 3-3 = 0
let n=4 -- 4-3 = 1
let n=5 -- 5-3 = 2
then
-2 + (-1) + 0 + 1 + 2 = 0
let n=2 -- 2-3 = -1
let n=3 -- 3-3 = 0
let n=4 -- 4-3 = 1
let n=5 -- 5-3 = 2
then
-2 + (-1) + 0 + 1 + 2 = 0
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