SOLUTION: Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15. n an 1 4 2 −12 3 36

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Question 969177: Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15.
n an
1 4
2 −12
3 36

Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
That's a geometric sequence.

 where  and 

So the nth term is





Edwin

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