Higher November 2020 Paper 6 Q17
17 Here is a sequence.
\(3 \qquad 3\sqrt{5} \qquad 15 \qquad 15\sqrt{5}\)
(a) Work out the next term. [1]
(b) Find the \(n\)th term. [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 75 | 1 | ||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(3\ [\times](\sqrt{5})^{n-1}\) oe | 3 | M2 for expression of correct form with two correct elements or M1 for expression of correct form with one correct element | eg \(3\ [\times](\sqrt{5})^n\) eg \(5\ [\times](\sqrt{5})^n\) |