SOLUTION: Express the series -27+9-3+1-... using sigma notation
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Question 389451: Express the series -27+9-3+1-... using sigma notation
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God Bless and Happy New Year!!!!
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Note that the terms in the sum change signs, and that the exponents are decreasing. Therefore, put a as part of your sum.
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