Show that the equation 3x3−x2−5=03x^3 - x^2 - 5 = 03x3−x2−5=0 has a solution between x=1x = 1x=1 and x=2x = 2x=2.
124 exam-style questions on OCR GCSE Maths Iteration. Each one has a worked solution and a mark scheme showing where the marks go.