4MA0 Higher January 2013 Paper 4 Q15
15
(a) Simplify \(\dfrac{5x^5y^6}{x^2y^4}\) (2)
(b) Simplify \((2n^4)^3\) (2)
| Scheme | Marks |
|---|---|
| \(5x^3y^2\) | B2 |
| (2) |
Notes
B2: B1 for 2 of 5, \(x^3\), \(y^2\) correct in a single product with no additional terms or \(5x^{5-2}y^{6-4}\)
| Scheme | Marks |
|---|---|
| \(8n^{12}\) | B2 |
| (2) |
Notes
B2: B1 for 8 or \(n^{12}\) in a product