UPSKILL MATH PLUS
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Learn more1. Find the first four terms of the sequences whose \(n^{\text{th}}\) terms are given by
(i) \(a_n = n^3 - 2\).
(ii) \(a_n = (-1)^{n + 1} n (n + 1)\)
(iii) \(a_n = 2n^2 - 6\)
2. Find the \(n^{\text{th}}\) term of the following sequences.
(i) \(2\), \(5\), \(10\), \(17\), ...
(ii) \(0\), \(\frac{1}{2}\), \(\frac{2}{3}\), ...
(iii) \(3\), \(8\), \(13\), \(18\), ...