Higher November 2022 Unit 2 Q16
16. Fully factorise the expression \(k^3p - kp^3\). [3]
| Scheme | Marks | Comments |
|---|---|---|
| \(kp(k + p)(k - p)\) | B3 | Mark final answer for B3. Award B2 for a correct expression involving two binomial factors, e.g. \((k - p)(k^2p + kp^2)\) or \(k(k + p)(kp - p^2)\) or \((k^2 + kp)(kp - p^2)\) Allow B2 for \(kp(k \ldots p)(k \ldots p)\) Award B1 for any of the following:
|