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, ...

解释

Arithmetic sequences have a common difference

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