Mathematics 0580 · IGCSE · Sequences

Sequences — practice question

The sequence runs as follows: 5, 11, 21, 35, 53, ...
(main)[2]

Find the $n$th term for this sequence.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Its $n$th term is $2n^{2}+3$.” …

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