SOLUTION: Rewrite the series using summation notation. Use 1 as the lower limit of summation. 3+(-9)+27+(-81)+.....+(-6561)

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Question 1096858: Rewrite the series using summation notation. Use 1 as the lower limit of summation.
3+(-9)+27+(-81)+.....+(-6561)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
sum (n=1 to 8) (-1)^(n-1)*3^(n)