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28 February, 01:30

The sum of the first n terms of an arithmetic sequence a1, a2, a3, ..., an is 1/2n (a1+an), where a1 and an area the first and nth terms of the sequence, respectively. What is the sum of the odd integers from 1 to 99 inclusive?

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  1. 28 February, 01:50
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    if you had added 5 to that Step-by-stepu wouldve got 3.45
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