Mathematics for IGCSE & O level - Sequences (Section 1 - No. 45) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 1 - No. 45)

Which formula describes the relationship of the sequence: 3, 6, 9, 12, ...?

n + 2

2n + 1

3n

n^2 - 1

解释

Each term is a multiple of 3

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