Mathematics for IGCSE & O level - Sequences (Section 4 - No. 36)
Which of the following sequence(s) is/are arithmetic?
1, 4, 7, 10,...
2, 6, 18, 54, ...
3, 7, 11, 15, ...
1, 2, 4, 8, ...
Explanation
Arithmetic sequences have a common difference
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