Mathematics for IGCSE & O level - Sequences (Section 4 - No. 4) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 4 - No. 4)

If a sequence has a formula of a_n = 2n + 3, what are the first three terms?

5

7

8

9

Explanation

Substitute n = 1, 2, and 3 into a_n = 2n + 3

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