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, ...
Explanation
An arithmetic sequence has a common difference
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