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Mathematics, 08.01.2020 04:31 electrofy456

Which of the following is not a geometric sequence?

1,-3,9,-27,81
-7,-5.8,-4.6,-3.4,-2.2
-100 -20 -4, 4/5, 4/25
2.8,6.72,16.128,38.7072

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Which of the following is not a geometric sequence?

1,-3,9,-27,81
-7,-5.8,-4.6,-3...

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