SOLUTION: Find the Sn of the given artithmetic series. a1=-100, d=-1, n=21

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Question 1043122: Find the Sn of the given artithmetic series.
a1=-100, d=-1, n=21
Answer by ikleyn(52790)   (Show Source): You can put this solution on YOUR website!
.
Find the Sn of the given arithmetic series.
a1 = -100, d = -1, n = 21
~~~~~~~~~~~~~~~~~~~~~~~~~~ 

 =  =  = .?.


.?. means "calculate on your own".

On arithmetic progressions read the lesson
    - Arithmetic progressions
in this site and the lessons associated with it.


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