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posted by Embraced Tuesday, January 10, 2012 at 9:00pm.
What is the summation of (n-3) from n=1 to n=5?
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
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