| Difficulty Metric | 2012 NJC Prelim | 2012 National A-Level | | :--- | :--- | :--- | | | 3D rotation + light plane intersection | Standard line-plane angle | | Probability | Tennis conditional serve advantage | Simple dice/card draws | | Functions | Modulus + composite piecewise | Standard $f^2(x)$ definitions | | Length | 18 questions (Very long) | 13-14 questions (Standard) |
In 2012, NJC combined Complex Numbers with Coordinate Geometry. 2012 njc prelim h2 math
7.5/10 Key Characteristic: Algebraic heft and non-routine application of standard concepts. | Difficulty Metric | 2012 NJC Prelim |
Paper 2 featured questions on Argand diagrams, specifically involving the locus of a circle and half-lines, and calculating the greatest possible value of Vectors & Geometry: Questions required finding the area of triangles (e.g., cap delta cap O cap A cap P 2012 njc prelim h2 math
