4400 Higher November 2004 Paper 3 Q19
19 Express \(\sqrt{98}\) in the form \(a\sqrt{b}\) where \(a\) and \(b\) are integers and \(a \gt 1\).
(2)
| Scheme | Marks |
|---|---|
| \(7^2\) or 49 seen | M1 |
| \(7\sqrt{2}\) | A1 |
| (2) | |
| (2 marks) |
19 Express \(\sqrt{98}\) in the form \(a\sqrt{b}\) where \(a\) and \(b\) are integers and \(a \gt 1\).
(2)
| Scheme | Marks |
|---|---|
| \(7^2\) or 49 seen | M1 |
| \(7\sqrt{2}\) | A1 |
| (2) | |
| (2 marks) |