Mathematics for IGCSE & O level - Sequences (Section 3 - No. 6) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 3 - No. 6)

Which of the following are the first three terms of the sequence defined by \(a_n= 2n - 1\)?

1

3

5

7

Giải thích

Substitute n = 1, 2, 3 into an = 2n - 1

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