SOLUTION: find the sum of even integers between 1 and 101 in a arithmetic sequence

SOLUTION: find the sum of even integers between 1 and 101 in a arithmetic sequence

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Question 1039512: find the sum of even integers between 1 and 101 in a arithmetic sequence
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The sum of ALL the integers from 1 to n
is given by:

If ,

------------------------
The sum of the ODD integers from 1 to n?
I notice that

Let = the number of odd integers from 1 to n
So,
The are odd integers in 1 - 101 sequence

-------------------

Hope I got it!
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