Mathematics for IGCSE & O level - Sequences (Section 2 - No. 29) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 2 - No. 29)

What is the 5th term of the sequence defined by \(a_n = 2n + 1\) ?

9

10

11

12

Explanation

Substitute n = 5. 2(5) + 1 = 11

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