Mathematics for IGCSE & O level - Sequences (Section 4 - No. 28)

Which sequence is an example of an arithmetic sequence?

1, 2, 4, 8, ...

2, 5, 8, 11, ...

3, 9, 27, 81, ...

1, 4, 9, 16, ...

Vysvetlenie

An arithmetic sequence has a common difference

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