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.
- What is the general formula (function of n) giving a such sum?
- Give the sum with n = 5298
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[edited by: emassa at 1:29 PM (GMT -4) on 5 May 2023]