1MA0 Higher June 2014 Paper 1 Q22
22
(a) Simplify \((3x^2y^4)^3\) (2)
(b) Simplify \(\dfrac{x^2 - 9}{2x^2 + 5x - 3}\) (3)
| Answer | Mark | Notes |
|---|---|---|
| \(27x^6y^{12}\) | 2 | B2 cao (B1 for any two terms correct in a product, e.g. \(9x^6y^{12}\)) |
| Answer | Mark | Notes |
|---|---|---|
| \(\dfrac{x - 3}{2x - 1}\) | 3 | M1 for \((x - 3)(x + 3)\) M1 for \((2x - 1)(x + 3)\) A1 for \(\dfrac{x - 3}{2x - 1}\) cao |