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Which of the following is the general term for the sequence a, -a, a, -a, . . . ?
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Which of the following is the general term for the sequence a, -a, a, -a, . . . ?

User Kyle Truscott
by
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1 Answer

4 votes

Answer:

a(-1)^(n-1).

Explanation:

This is a Geometric Sequence with common ratio r = -1.

The general term is a(-1)^(n-1).

User Shahram
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7.2k points
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