SOLUTION: what is the sum of the series S28 for -143+(-134)+(-125)+(-116)+..

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Question 619018: what is the sum of the series S28 for -143+(-134)+(-125)+(-116)+..
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
sum of the series S28 for -143+(-134)+(-125)+(-116)+..
Arithmetic Series, d = 9


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