Mathematics for IGCSE & O level - Sequences (Section 1 - No. 23) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 1 - No. 23)

The sequence 1, 9, 25, 49,... represents which type of sequence?

Linear

Geometric

Cubic

Quadratic

解释

A quadratic sequence is a sequence that has a constant second difference

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