Higher June 2018 Paper 1 Q3
3.
(a) Find an expression for the nth term of this sequence. [2]
3 11 19 27 35
(b) The nth term of a different sequence is \(2n^3 + 3\).
Write down the first 3 terms of this sequence. [2]
Write down the first 3 terms of this sequence. [2]
| Scheme | Marks | Comments |
|---|---|---|
| \(8n - 5\) | B2 | B1 for \(8n + k\) where \(k \ne -5\) |
| Scheme | Marks | Comments |
|---|---|---|
| 5, 19, 57 | B2 | B1 for any two correct If no marks then SC1 for 3, 5, 19 |
| (4) |