Which of the following is the general term for the sequence -a, a2, -a3, a4, ...? 15 points, I really don't get this CHOICES: a(-1)n - 1 -a(-a)n-1 (-1)an + 1 (-a)n + 1

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asked Jun 7, 2018 58.5k views

2 votes

Which of the following is the general term for the sequence

-a, a2, -a3, a4, ...? 15 points, I really don't get this
CHOICES:
a(-1)n - 1
-a(-a)n-1
(-1)an + 1
(-a)n + 1

Mathematics
high-school

IncludeMe asked

by IncludeMe

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1 Answer

6 votes

The first one and it's written as a(-1)(n-1). The parenthesis around the n-2 are important

Ben Lessani answered Jun 13, 2018

by Ben Lessani

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