Given that the equation kx2+12x+k=0kx^2 + 12x + k = 0kx2+12x+k=0, where k k\,k is a positive constant, has equal roots,
find the value of kkk.
[4]
Markscheme
Algebra and Functions 1 Questions
18 exam-style questions on Edexcel A Level Old Maths Algebra and Functions 1. Each one has a worked solution and a mark scheme showing where the marks go.