The sequence begins with the four terms $\frac{12}{16}, \frac{17}{25}, \frac{22}{36}, \frac{27}{49}$.
(main)[4]
Find a formula for the $n$th term of the sequence.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{5n+7}{(n+3)^2}$” …
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