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Mathematics 9 Online
OpenStudy (anonymous):

Identify the following series as arithmetic, geometric, both, or neither. 3a + 3a² + 3a³ + . . . + 3an arithmetic geometric both neither

Parth (parthkohli):

The common ratio is a, because you're multiplying a again and again. Do you remember what the sequence is called when you are multiplying the same thing again and again?

OpenStudy (anonymous):

geometric?

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