Mathematics for IGCSE & O level - Sequences (Section 1 - No. 16) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 1 - No. 16)

The formula for the nth term of a sequence is 2n + 1. What is the 1st term?

1

2

3

4

Giải thích

2(1)+1=3

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