Enrich · Mathematics Advanced 11–12 – Year 12 · Sequences and series

Enrich Develop the formula a_n = a + (n - 1)d for the n th term of an AP, where a is the first term and n ≥ 1, and use it to solve problems

Extension and enrichment for students who are ready to go deeper: rich tasks, problem solving and open-ended challenges.

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