Mathematics 9709 · AS & A Level · Series

Series — practice question

In an arithmetic progression, the 12th term is $17$, and the total of the first $31$ terms is $1023$.
(main)[5]

Determine the $31\text{st}$ term from the progression.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applies relation $a+11d=17$” …

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