The first four terms in a sequence are $1, 4, 9$ and $16$. Write down the $6$th term of this s

Question

The first four terms in a sequence are $1, 4, 9$ and $16$. Write down the $6$th term of this sequence. [1] Find an expression, in terms of $n$, for the $n$th term, $T_n$, of the sequence. [1] Is the number $99$ part of the sequence above? Explain your answer. [1]

Accepted Answer

(a) $36$. (b) $T_n=n^2$. (c) No: 99 lies strictly between $9^2$ and $10^2$.

2022 AMKSS EOY P1 Q3

2022 AMKSS EOY P1 Q3

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