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natali 33 [55]
3 years ago
6

2, -2, 2, -2, common ratio

Mathematics
1 answer:
adelina 88 [10]3 years ago
8 0
To get -2 from 2, you would multiple by -1.

To get 2 from -2, you also would multiple by -1.

Ad infinitum.

So the common ratio is -1.

Hope this helps.
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