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Blurb About Content
The sum S of positive even integers starting from 2 to n (even) is described as :
S = 2 + 4 + 6 + 8 +… n where the last element n is even.
Questions:
1. The formula is:
S=\frac{(2+n)\times n}{4}
If n=5298, S=7019850
Well found MikeLh , congratulations!
