Mathematics for IGCSE & O level - Sequences (Section 3 - No. 47)

Which of the following sequence(s) are arithmetic?

1, 3, 5, 7,...

1, 4, 9, 16, ...

5, 10, 15, 20,...

3, 9, 27, 81,...

Giải thích

Arithmetic sequences have a constant difference

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