Mathematics for IGCSE & O level - Sequences (Section 1 - No. 34) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 1 - No. 34)

Find the 5th term of the sequence whose nth term is given by: \(a_n = 4n - 1\).

15

16

19

20

Giải thích

Substitute n = 5: 4*5 - 1 = 19

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