Mathematics for IGCSE & O level - Sequences (Section 1 - No. 22) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 1 - No. 22)

Which sequence represents a quadratic sequence?

2, 5, 8, 11...

1, 4, 9, 16...

3, 9, 27, 81...

1, 3, 5, 7...

解释

Quadratic sequences are represented by a constant second difference.

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