9709 P12 - Jun 2023 - Q3 - 3 marks
1457
(a) Write \(4x^2-24x+p\) as \(a(x+b)^2+c\), where \(a,b\) are integers and \(c\) is in terms of \(p\). [2]
(b) Find the \(p\)-values for which \(4x^2-24x+p=0\) has no real roots. [1]