Tag Archives: Factorise

Find the range of values for k given that the function f(x) = 3×2 + kx + 1 has two real roots. Factorise and solve the equation x3 — 2×2 — 5x + 6 = 0. Sketch a graph of the function f(x) = x3 — 2×2 — 5x + 6 showing the roots clearly. […]