ECZ 2013 · O-Level Paper 1 — Sequences and Series
For the sequence 2, 5, 8, 11, ... find an expression for the nth term.
- A. 3n - 1
- B. 3n + 1
- C. n + 3
- D. 2n + 1
Verified working — step 1
The common difference 3 gives 3n, and 3(1) = …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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